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Batters & Doughs (flour mixtures) include: |
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Muffins, biscuits, & other quick breads Pastries Shortened & unshortened cakes Cookies Breads |
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Basic ingredients of batters & doughs |
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Flour Leavening Agent Fat Liquids (milk, water) Eggs (protein & binding) Sugar & other sweeteners |
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Use of sugar in batters & doughs |
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Taste Carmelization Inhibits moisture (until internal temp. can't hold moisture, then causes bread to rise) |
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Most in US made from wheat (gluten gives structure) Milling is the separation of endosperm from bran & germ Grades of flour are by size 1. patent: smallest 2. straight: all purpose 3. clear: largest |
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Nutrients added: 1. B vitamins (thiamine, riboflavin, niacin, folic acid) 2. Iron 3. Vitamin D & Calcium are optional (fat soluble) |
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Insoluble gliadin & glutenin, which form gluten when moistened, then kneaded. Gluten is responsible for the viscous & elastic characteristics & high loaf volume of wheat flour doughs. Glutenin + Gliadin + water + work = gluten *Gliadin is generally missing in gluten-free foods |
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Hydrate a wheat flour mixture with water then mix to form gluten
* over mixed dough is chewy, hard, dense (gluten strands may tear) * too much water interferes with gluten development |
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Bread (makes cakes turn out hard & dense) all purpose pastry cake self-rising (already includes baking soda & salt) gluten (18% protein) |
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Flours & meals (not wheat) |
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1. rye (less gluten forming properties) 2. cornmeal & corn flour (chief protein is zein, need to combine with flour) 3. soy flour (high in protein, low in gluten) |
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To Leaven- to make light & porous Major leavening gases: air, steam, carbon dioxide |
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Incorporated by: Beating eggs Creaming fat & sugar Beating butter Folding or rolling dough |
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High liquid content & high oven temperature (cream puffs & popovers) |
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Leavening gases: Carbon dioxide |
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Added by: 1. Action of yeast (fermentation)- CO2 is produced by yeast and certain bacteria with sugar 2. Chemical production: Baking soda & baking powder- chemical leaveners that produce an acid/base reaction to give off CO2 in the presence of moisture. |
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Sodium bicarbonate
Gives off CO2 Used in recipes with an acid ingredient (buttermilk, vinegar, cream of tartar) |
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Role is to tenderize or shorten the gluten strands. Emulsifiers allow fat to be evenly dispersed throughout the batter. Butter & margarine are about 82% fat. Shortened breads have "shorter" air cells. |
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Incorporate air into batter Yolks add flavor & color Form emulsions Increase rigidity upon baking (egg proteins coagulated when heated) |
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Sweetening Tenderizing Moisture retention Contributes to browning Aids in leavening (creaming of fat & sugar, stabilize egg white foams, provides food for yeast) |
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Batters: pour or drop batters (more liquid) Yeast batters are called sponge. Doughs: thick enough to be handled |
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1. Muffin: most quick breads, boxed cakes (all dries, then liquids, little stirring) 2. Pastry or biscuit (cut in fat) 3. Conventional (creaming fat with sugar, add eggs, add dry ingredients alternatively with liquids) 4. Conventional sponge (cream fat w/ half cup sugar, half cup sugar beaten w/ eggs & reserved, add dry ingredients alternatively w/ liquids, fold in egg & sugar mixture) 5. Quick mix (higher proportion of sugar & liquid, sift dry ingredients, add all fat & part liquid, add eggs & remaining liquid) |
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Atmospheric pressure is less (greater rise) * less resistance for leavening gases & greater expansion * moisture evaporates quickly * water & liquids boil at lower temp. |
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High proportion of liquid Produces steam for leavening Prevents excess gluten development
Usually baked in hot oven (450°F) Reduce temperature after 15 minutes
Structure usually because of * Gelatinization of starch * Coagulation of eggs
Browning because of * Maillard reaction * Dextrinization of starch
Failure usually because of under baking |
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Cream Puffs and Eclairs (quick bread) |
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Cream puff batter also called pâte à choux.
Like popovers * High liquid
Unlike popovers * High fat * High eggs (Eggs helps to emulsify the fat)
Causes of failure * Excessive evaporation of moisture * Usually when heating fat and water range top * Insufficient baking * Under baked puffs and éclairs may collapse * Insufficient beating of mixture * Inaccurate ingredient measurements |
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Waffle batter similar to pancake batter except * More eggs * More fat
Usually leavened by baking powder although some recipes use yeast
Cook on a preheated waffle iron |
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Typical ingredients * Flour, liquid, baking powder or soda, salt, and egg Variations are possible * Adjust how thick or how thin by amount of liquid in relation to flour
Mixing * Do not over mix * Batter should be lumpy * Over mixed pancakes may be soggy, show tunnel formation, and be tough |
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Characteristics * Pebbly – not smooth peaked top * Crumb is slightly moist, light and tender * Should break without crumbling
Mixing – Use Muffin Method * Fat melted or use oil * Combine fat with other liquid ingredients (egg and milk) * Mix all dry ingredients together (flour, leavening, salt) * Pour liquid into dry ingredients and mix lightly * Batter should be lumpy – NOT smooth
Over mixed muffins * Have peaks and tunnels |
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Mixing – Biscuit/Pastry Method * Cut solid fat into the flour * Add milk and stir briefly * Knead lightly * Roll out and cut
Drop biscuits contain more moisture and are not kneaded
Bake in hot oven (425° – 450°F) |
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Similar to biscuits but richer Contain eggs, butter, half and half or cream with flour, leavening, and salt.
Use biscuit method to mix Bake on ungreased baking sheet |
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Good quality bread *Fine texture *Thin cell walls *Uniform grain *Elastic crumb *Light, large volume in relation to weight |
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A microscopic one-celled plant Excessively hot temperatures will kill yeast
Kinds or source of yeast *Instant quick-rising active dry yeast *Active dry yeast *Bread machine yeast *Compressed or fresh cake yeast *Starters or sponge |
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Types of flour in yeast breads |
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Bread flour preferable A high protein flour made from hard wheat
Whole wheat flour Bran in whole wheat will interfere with gluten development
Rye flour Usually mixed with wheat flour for better gluten development |
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Not an essential ingredient in yeast breads
Sugar functions Increases rate of fermentation If large amount of sugar, then represses action of yeast Adds sweetness Promotes browning |
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Not an essential ingredient in yeast bread
Functions Facilitates dough handling Increases keeping quality of bread Improves loaf volume and texture Increases tenderness |
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Adds flavor
Retards yeast fermentation Too much salt can prevent rising of bread
Firms gluten structure
Bread without salt: Crumbly Overlight |
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Essential for development of strong elastic gluten strands
Methods Kneading by hand Kneading by machine
During kneading manage amount of flour used Dough should be soft but not sticky Too much flour = dry, stiff dough |
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Time between start of mixing and molding or shaping of dough
Fermentation reaction Glucose + Yeast = Ethanol + Carbon Dioxide
Favorable conditions Moist, warm environment
When dough has doubled in size Punch down and allow to rise a second time or shape into rolls or loaves
If allowed to ferment too long Poor oven spring Flat or sunken top Coarse grain and thick cell walls Unpleasant sour odor Crust may brown poorly
Inadequate fermentation Thick cell walls Heavy and small volume Less tender |
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Final rising of dough after dough has been shaped
Place in oven once dough has doubled in size |
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Decorative finishes of yeast breads |
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Applied after shaping but before proofing
Glazes or Washes Whole egg and water – shiny crust Whole egg and milk – shiny soft crust Milk or cream – soft crust Water – crisp crust
Slashes |
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Conventional Loaves – lower oven temperature Rolls – higher oven temperature
Microwave baking
Frozen yeast doughs
Oven spring Sharp rising in first few minutes |
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Rolls and other yeast breads |
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Rolls Often higher in sugar and fat than loaf breads Bake at higher temperatures
Whole grain breads Whole wheat – red wheat Whole wheat white – white wheat
High fiber breads
Use of other flours
Specialty and artisan breads |
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The changes that occur after baking Firmness of crumb Less moisture Loss of flavor Crumbly texture Development of leathery crust
Occurs more quickly if refrigerated Store at room temperature or freeze Warming can reverse effects of staling
To large extent - caused by retrogradation of amylopectin |
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Shortened (fat) Unshortened (no fat) Chiffon (a blend) |
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Pound cakes: * tender * compact & close grain * historically, 1 pound each of butter, sugar, flour, & eggs * no leavening agent (leavened by air & steam)
Standard shortened cakes: * fine grain * uniform cells w/ thin cell walls * elastic crumb |
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* adds sweetness * promotes tenderness by interfering with gluten development * influences volume (traps air during creaming, raises starch gelatinization temp) |
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* often includes shortening, butter, & margarine * increases tenderness * increases volume by (decreasing cohesive forces, adding air during creaming) |
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Why use cream as fat in shortened cakes? |
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So sugar can't absorb liquid until temperature gets higher, then releases to help with leavening. |
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Emulsifiers in shortened cakes |
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Allow fat to be distributed more finely and more sugars may be incorporated.
* high ratio in shortenings * decrease cohesive forces thereby increasing volume * mono & diglycerides |
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Contributes to structure
Too little flour: weak structure & coarse texture, cake may fall
Too much flour: compact, dry cake |
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Milk, water, & fruit juices
* dissolves ingredients * hydrates starch & protein * produces steam * if excess liquid, poor volume |
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Over & undermixing of cakes |
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Overmixing: * may toughen cakes, especially if lean mixture or high protein flour used * compact cake * heavy or soggy
Undermixing: * coarse texture * thick cell walls * concave surface especially if a rich mixture |
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Do not include shortening or other types of added fat
* angel food (egg whites only) * yellow sponge (whole egg)
* pans are not greased * baking temp 350-375 for 20-25 min * cooling (on a rack) so air can circulate |
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More sugar, less liquid than cakes
* rolled, dropped, bar, pressed, molded, icebox/refrigerator
Conventional mixing method most common |
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