Baking Ingredients: Flour, Milk, and Chocolate
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Questions and Answers

Which component of wheat flour is responsible for providing the majority of B vitamins, fiber, and minerals?

  • Bran (correct)
  • Germ
  • Endosperm
  • Starch
  • If a miller wants to produce a flour with the highest possible protein content, which part of the wheat kernel should they focus on including?

  • Bran
  • Endosperm
  • Starch
  • Germ (correct)
  • In flour composition, what role do glutenin and gliadin play, and what percentage of the total protein do they constitute?

  • They are pigments that give flour its color, accounting for 1-2% of the protein.
  • They form the gluten complex, representing about 80% of the total protein content. (correct)
  • They are types of fats, making up 10-15% of the total protein.
  • They primarily contribute to the starch content, making up 68-76% of the protein.
  • A baker notices that a new batch of flour feels unusually dry and produces a less cohesive dough. Considering the typical composition of flour, which component is most likely deficient?

    <p>Moisture (A)</p> Signup and view all the answers

    Which component in flour contributes to its color and is classified as a pigment?

    <p>Carotenoids (A)</p> Signup and view all the answers

    Which nut is NOT explicitly listed as a nut product ingredient?

    <p>Pecan (C)</p> Signup and view all the answers

    Which of the following is NOT a primary function of milk in baked goods?

    <p>Acting as a shortening agent (B)</p> Signup and view all the answers

    What is the primary difference between chocolate liquor and cocoa?

    <p>Chocolate liquor contains cocoa butter, while cocoa has had part of it removed. (B)</p> Signup and view all the answers

    How do milk and cream differ from water when used in baking?

    <p>They add flavor and richness. (D)</p> Signup and view all the answers

    What process differentiates Dutch process cocoa from regular cocoa?

    <p>Treatment with an alkali. (D)</p> Signup and view all the answers

    Which component of an egg is primarily composed of albumin protein?

    <p>The white (C)</p> Signup and view all the answers

    If you are looking for a chocolate product with the highest percentage of cocoa butter, which should you choose?

    <p>Unsweetened chocolate (C)</p> Signup and view all the answers

    What is the primary role of the yolk in eggs?

    <p>To contribute fat, protein, iron, and vitamins. (A)</p> Signup and view all the answers

    What do Marzipan, Kernel paste and Praline paste have in common?

    <p>They are all nut products. (C)</p> Signup and view all the answers

    When a baking recipe calls for 'shortening,' what effect is this ingredient having on the final product?

    <p>Inhibiting gluten development, leading to a tender crumb. (B)</p> Signup and view all the answers

    Which of the following sequences of chocolate processing steps is most accurate?

    <p>Fermenting, Roasting, Grinding (D)</p> Signup and view all the answers

    Why are high ratio shortenings specifically designed for cake batters with a high sugar content?

    <p>To balance the moisture and structure provided by high sugar levels. (C)</p> Signup and view all the answers

    What is the approximate fat content of butter?

    <p>80% (B)</p> Signup and view all the answers

    Which function of eggs directly contributes to the incorporation of fats and liquids in a batter?

    <p>Emulsifying (C)</p> Signup and view all the answers

    To produce cocoa powder from chocolate liquor, what must be removed?

    <p>Cocoa butter (B)</p> Signup and view all the answers

    Hydrogenation is a process used in manufacturing margarine to:

    <p>Prevent spoilage and keep it solid at room temperature (A)</p> Signup and view all the answers

    If a baker wants to increase the nutritive value of their baked goods, which ingredient would provide the most significant impact?

    <p>Milk (A)</p> Signup and view all the answers

    Sugar and cocoa butter are added to what to create sweet chocolate?

    <p>Chocolate liquor (B)</p> Signup and view all the answers

    Which ingredient is added to margarine to contribute to its overall taste and appearance?

    <p>Flavoring, emulsifiers, and coloring agents (D)</p> Signup and view all the answers

    Which of the listed functions applies to both milk and eggs in baking?

    <p>Adding Flavor (D)</p> Signup and view all the answers

    How does fat contribute to flakiness in baked goods like pie crusts?

    <p>By creating layers that separate during baking as trapped water turns to steam (B)</p> Signup and view all the answers

    Why is lard sometimes preferred in traditional baking despite the availability of other fats?

    <p>It has unique flavor and tenderizing properties (B)</p> Signup and view all the answers

    If a cookie recipe calls for butter but you only have margarine, what adjustments might be necessary?

    <p>Use slightly less margarine because it contains more water than butter (B)</p> Signup and view all the answers

    Which characteristic of granulated sugar makes it suitable for coating applications?

    <p>Its coarse texture provides a distinct visual appeal. (C)</p> Signup and view all the answers

    What is the primary purpose of adding a small amount of starch to powdered sugar?

    <p>To prevent caking. (D)</p> Signup and view all the answers

    Which of the following sugars retains some of the original plant's flavor?

    <p>Demerara sugar. (C)</p> Signup and view all the answers

    What is the key difference between simple syrup and other syrups like molasses or corn syrup?

    <p>Simple syrup only contains sucrose dissolved in water, while others contain additional compounds. (A)</p> Signup and view all the answers

    Which syrup is derived from a grain source?

    <p>Glucose corn syrup. (C)</p> Signup and view all the answers

    Why is fat added to flour mixtures?

    <p>To increase tenderness. (C)</p> Signup and view all the answers

    In candy making, what role does sugar play in preventing crystallization?

    <p>Specific types of sugar can interfere with crystal formation, leading to a softer texture. (D)</p> Signup and view all the answers

    Which of the following sweeteners would be least likely to contribute significantly to the flavor profile of a baked good?

    <p>Non-nutritive sweeteners. (D)</p> Signup and view all the answers

    Why is temperature control important when using yeast in baking?

    <p>Optimal temperatures promote yeast growth and fermentation, while excessive heat can kill the yeast. (D)</p> Signup and view all the answers

    What happens to yeast activity when the temperature exceeds 100°F (38°C)?

    <p>The yeast reaction slows down. (B)</p> Signup and view all the answers

    What distinguishes instant dry yeast from active dry yeast?

    <p>Instant dry yeast does not require rehydration and produces gases quicker because it contains little dead yeast. (C)</p> Signup and view all the answers

    A baker is preparing a bread dough and wants to achieve the best yeast activity. Which temperature range should they aim for?

    <p>70°-90°F (20°-32°C) (B)</p> Signup and view all the answers

    What is a key characteristic of fresh or compressed yeast that bakers should be aware of?

    <p>It is moist, perishable, and must be refrigerated, lasting only about 2 weeks. (D)</p> Signup and view all the answers

    In what scenario would baking soda (sodium bicarbonate) release carbon dioxide gas?

    <p>If moisture and an acid are present. (A)</p> Signup and view all the answers

    If a recipe calls for active dry yeast, what step is crucial to perform before incorporating it into the other ingredients?

    <p>Rehydrating it with warm water. (B)</p> Signup and view all the answers

    A baker notices their dough is not rising as expected, and the kitchen temperature is at 65°F (18°C). How might they adjust the process to improve yeast activity?

    <p>Proof the dough in a warmer environment, ideally between 70°-90°F (20°-32°C). (D)</p> Signup and view all the answers

    Flashcards

    Germ

    Part of the wheat kernel that can sprout to form a new plant; rich in nutrients.

    Endosperm

    The starchy white part of the wheat kernel left after bran and germ are removed; mainly provides energy.

    Bran

    The outer layer of the wheat kernel, high in fiber, vitamins, and minerals.

    Glutenin and Gliadin

    Two proteins in flour that combine to form gluten, essential for bread texture.

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    Composition of White Flour

    Contains 68-76% starch, 6-18% protein, and other components like moisture and fats.

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    Crystallization resistance

    The ability of certain ingredients to prevent sugar from forming crystals, leading to softer candies.

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    Types of sugars

    Different forms of sugars, each with unique characteristics and uses in cooking and baking.

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    Granulated sugar

    Regular crystals of sugar used as a basic sweetener in many recipes.

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    Caster sugar

    Very fine sugar used to dissolve easily in mixtures, enhancing smoothness in baking.

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    Powdered sugar

    Sugar ground to a fine powder, often mixed with starch to prevent clumping.

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    Simple syrup

    A mixture of sugar dissolved in water, commonly used in beverages and desserts.

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    Brown sugar

    Sugar that contains molasses, giving it a rich flavor and darker color.

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    Syrups

    Concentrated solutions of sugar dissolved in water, used in various culinary applications.

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    Function of Fats in Baking

    Fats tenderize gluten, add moisture, improve flavor, and help in leavening.

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    Shortenings

    Solid fats, typically white and tasteless, used to shorten gluten strands in baking.

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    High Ratio Shortenings

    Shortenings designed for cake batters with a high sugar ratio, enhancing texture.

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    Butter Composition

    Butter is about 80% fat, 15% water, and 5% milk solids, adding flavor.

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    Margarine

    A fat product made from animal and vegetable fats, often with added flavor and color.

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    Lard

    Rendered fat from hogs used in various recipes, including pastries.

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    Hydrogenated Fats

    Manufactured fats created by adding hydrogen to polyunsaturated oils, reducing rancidity.

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    Creaming Agent

    Fats that assist in leavening by incorporating air when mixed with sugar.

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    Imitation Butter

    A butter substitute made from shortening, water, and flavoring.

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    Functions of Milk in Baking

    Milk adds moisture, texture, flavor, crust color, and nutritive value in baked products.

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    Gluten Development

    Milk's water content helps develop gluten in dough, enhancing texture.

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    Egg Functions in Baking

    Eggs provide structure, emulsification, leavening, moisture, and flavor in baked goods.

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    Composition of Whole Egg

    A whole egg has a yolk rich in fat and protein and a white mainly made of albumin protein.

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    Yolk

    The yellow part of an egg, high in fat, protein, iron, and vitamins.

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    Egg White

    The clear part of an egg, primarily composed of albumin protein, used for structure.

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    Nutritive Value of Eggs

    Eggs contribute essential nutrients, including proteins, vitamins, and minerals to recipes.

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    Cocoa Beans

    Seeds from the cacao tree used to make chocolate and cocoa products.

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    Chocolate Liquor

    The paste produced by grinding cocoa beans; contains cocoa butter.

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    Cocoa Powder

    The dry powder left after cocoa butter is removed from chocolate liquor.

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    Dutch Process Cocoa

    Cocoa processed with alkali to enhance color and solubility.

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    Unsweetened Chocolate

    Chocolate liquor with no added sugars; very bitter in taste.

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    Sweet Chocolate

    Chocolate made sweeter by adding sugar and cocoa butter to bitter chocolate.

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    Nut Products

    Various products derived from nuts, such as almond paste and marzipan.

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    Marzipan

    A sweet almond-flavored paste made from ground almonds and sugar.

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    Inactive Yeast Temperature

    The storage temperature for yeast, at 34°F (1°C), where it remains inactive.

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    Slow Action Temperature

    Yeast operates slowly at temperatures between 60°F - 70°F (15°C - 20°C).

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    Best Growth Temperature

    Optimal temperature for yeast growth and bread fermentation is 70°F - 90°F (20°C - 32°C).

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    Reaction Slow Temperature

    Above 100°F (38°C), yeast reactions slow down significantly.

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    Killed Yeast Temperature

    At 140°F (60°C), yeast is completely killed.

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    Fresh Yeast

    Moist, perishable yeast that requires refrigeration and lasts up to 2 weeks.

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    Active Dry Yeast

    A granular form of yeast that needs rehydration before use.

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    Instant Dry Yeast

    Granular yeast that doesn't need rehydration and activates quickly.

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    Study Notes

    Ingredients in Baking

    • Flour is finely ground meal from cereal grains or root crops. It is the primary ingredient in baking
    • Wheat flour provides structure, thickening, and nutritive value to baked goods.
    • Hard wheat contains more glutenin and gliadin, making stronger flours.
    • Strong flours are used in breads and yeast products
    • Soft wheat makes weak flours used in cakes, cookies, and pastries.
    • North American wheat varieties: hard red winter, hard red spring, hard white, soft white, soft red winter, and durum.
    • Bran is the hard outer covering of the kernel, rich in fiber, B vitamins, fat, protein, and minerals.
    • Germ is the part of the kernel that can sprout, containing protein, vitamins, minerals, and fat.
    • Endosperm is the white, starchy part of the kernel. It remains after bran and germ are removed.
    • White flour is composed mainly of starch (68–76%), protein (6–18%), glutenin & gliadin make up 80% of the protein, moisture (11–14%), gums (pentosans 2-3%), fat (1%), ash (mineral content 0.3 to 1.5%), and pigments (carotenoids, orange-yellow).

    Types of Flour

    • Bread flour: 12–14% protein, high gluten strength, used in breads
    • All-purpose flour: mixture of soft and hard flours, 8–11% protein, widely used.
    • Cake flour: 7–9% protein, fine texture, high starch content, used in cakes
    • Whole wheat flour: contains the whole grain (bran, endosperm, germ). 13% protein

    Protein in Flour

    • Gluten is a mixture of wheat proteins (glutenin and gliadin), forming a tough, elastic substance when flour is mixed with water.
    • Glutenin gives dough strength to hold the leavening gases
    • Gliadin provides stretchability to gluten

    Hand Test for Flour Strength

    • Bakeries typically keep three white flours on hand.
    • Bakers can identify flours using sight and touch.

    Other Wheat Flours

    • Durum flour
    • Self-rising flour
    • Whole wheat flour
    • Bran flour
    • Cracked wheat

    Other Flours, Meals, and Starches

    • Rye, Corn, Spelt, Oats, Buckwheat, Soy, Rice
    • Starches: Cornstarch, Waxy maize, and Instant

    Sugars

    • Sugar is a simple carbohydrate, adding sweetness and flavor.
    • Sugar creates tenderness, improves texture, and provides crust color.
    • Sugar increases moisture retention.
    • Sugar is used as a creaming and foaming agent.
    • Sugars provide food for yeast.
    • Sucrose (cane or beet sugar)
    • Lactose (milk sugar)
    • Maltose (malt sugar)
    • Fructose (fruit sugar)
    • Invert sugar: equal parts of dextrose and levulose, 30% sweeter. Holds moisture, helps cakes stay fresh and resists crystallization.
    • Types of granulated sugars: regular granulated sugar, caster sugar, sanding sugar, pearl sugar.
    • Other types of sugars include powdered sugar, dehydrated fondant, brown sugar, Demerara sugar
    • Non-nutritive sweeteners (sugar substitutes) are available

    Syrups

    • Syrups are solutions of sugar dissolved in water.
    • Simple syrup: dissolved sucrose in water
    • Molasses: concentrated sugarcane syrup
    • Glucose Corn Syrup: made from cornstarch
    • Malt syrup: extracted from barley
    • Honey

    Fats

    • Fats increase tenderness in baked goods by preventing sticking of gluten strands.
    • Fats add moistness, richness, and flavor to baked goods.
    • Fats assist leavening (as creaming agents) and contribute to flakiness.
    • Types of fats: Shortenings (solid fats, usually white and tasteless, devised for handling high-sugar batters), High ratio liquid shortenings, Butter (80% fat, adds flavor and melts at body temperature), Margarine (animal/vegetable fats plus emulsifiers/coloring), Oils (liquid fats), Lard (rendered hog fat).

    Advantages of Butter

    • Butter has a desirable flavor while shortenings are flavorless.
    • Butter melts in the mouth, while shortenings tend to leave a film in the mouth.

    Refrigerated Margarine

    • Made from various hydrogenated animal and vegetable fats.
    • Contains flavoring, emulsifiers, coloring agents.
    • Maintains solid form at room temperature.
    • Contains fat (80-85%), moisture (10-15%), and other components (salt, milk solids).

    Oils

    • Oils are liquid fats.
    • Oils are not commonly used as shortenings because they spread thoroughly through the dough or batter.

    Milk and Milk Products

    • Milk and cream increase richness in baked goods.
    • They add moisture, enabling gluten development, texture, flavor, and color.
    • Milk adds keeping quality and nutritive value.

    Eggs

    • Eggs contribute structure to baking by emulsifying fats and liquids, aiding leavening, adding moisture, flavor, color, and nutritive value.
    • Egg composition: yolk (high in fat and protein, iron, vitamins), white (albumin protein), shell (porous), chalazae (holds yolk), membrane, air cell.
    • Market forms of eggs: fresh, frozen, dried

    Egg Sizes

    • One whole egg = 1.67 oz (47g)
    • One egg white = 1 oz(28g)
    • One yolk = 0.67 oz (19g)
    • 9 1/2 whole eggs = 1 lb
    • 16 whites = 1 lb
    • 24 yolks = 1lb

    Leavening Agents

    • Leavening is the incorporation of gases in a baked product.
    • This increases volume and forms shape/texture.

    Yeasts

    • Fermentation by yeast changes sugars to carbon dioxide.
    • Yeast is a living organism, vulnerable to temperature changes.
    • Temperature affects yeast activity: 34°F is inactive, 60-70°F slow action, 70-90°F best growth, above 100°F reaction slows and above 140°F kills yeast
    • Types of yeast: fresh/compressed (preferred by professionals, lasts 2 weeks), active dry, instant dry

    Chemical Leaveners

    • Baking soda (sodium bicarbonate): releases carbon dioxide gas when moisture and acid are present.
    • Baking powder: a mixture of baking soda and acids.
    • Double-acting baking powder releases gases with moisture and heat.
    • Baking ammonia: a mixture of ammonium carbonate, ammonium bicarbonate, and ammonium carbonate

    Air

    • Air is incorporated into dough/batter during mixing.
    • Air cells are crucial in leavened products made with yeast or baking powder because they collect/hold gases.

    Methods of Incorporating Air

    • Creaming: beating fat and sugar together to trap air.
    • Foaming: beating eggs (with or without sugar) to trap air.

    Steam

    • Water transforms into steam, expanding to 100 times its volume.
    • Moisture in baked goods makes steam a vital leavening agent.

    Gelling Agents

    • Gelatin: water-soluble protein from animal connective tissue, used as a gelling agent in recipes.
    • Two forms of gelatin: powdered and leaf/sheet.
    • Gelatin usage in recipes: soaks up 5 times its weight in water, adds to recipes with hot ingredients, and is chilled to set.
    • Pectin: vegetable gum, absorbs water, thickens or gels, needs high sugar content and acid for gelling fruit preserves (jams, jellies)

    Fruits and Nuts

    • Nuts commonly used: almonds, Brazil nuts, cashews, hazelnuts, macadamia nuts, pecans, pine nuts, pistachios, and walnuts.

    Nut Products

    • Almond paste, Kernel paste, Macaroon paste, Marzipan, Praline paste

    Chocolate and Cocoa

    • Chocolate and cocoa come from cocoa/cacao beans and are processed (fermented, roasted, ground).
    • Cocoa liquor is the dry powder left over after removing cocoa butter.
    • Dutch-processed cocoa is processed with alkali which makes it darker and easier to dissolve in liquid.
    • Unsweetened chocolate is straight chocolate liquor.
    • Sweet chocolate is bitter chocolate with sugar and cocoa butter.
    • Milk chocolate is sweet chocolate with milk solids.
    • Cocoa butter is the fat pressed from chocolate liquor.
    • White chocolate is made of cocoa butter, sugar, and milk solids (no cocoa solids)
    • Cocoa absorbs moisture, so flour needs to be reduced by 3/8 of the weight of cocoa added.

    Salt, Spices, and Flavorings

    • Salt: strengthens gluten, extends gluten's stretchability, and inhibits yeast growth.
    • Spices/seeds: Allspice, anise, caraway, cardamom, cinnamon, cloves, ginger, mace, nutmeg, poppy seeds, sesame seeds, zest of lemon/orange.
    • Vanilla: often crucial flavoring in pastry shop using vanilla beans and extract.
    • Extracts: are flavorful oils/other substances dissolved in alcohol.
    • Emulsions: flavorful oils mixed with water using emulsifiers (like vegetable gums)
    • Two types of flavorings are present, natural and artificial.
    • Alcohols: added for flavor (sweet alcohols/liqueurs-cassis, orange; and non-sweet alcohols-rum, cognac; and wines-Marsala, Madeira).

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    Description

    Questions cover the composition of wheat flour, focusing on components responsible for nutrients and protein content. Also explores the roles of glutenin and gliadin in flour. Explores milk, cream, cocoa, and chocolate liquor in baking.

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