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Eggs
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Let’s look inside an egg http://www.crackingeggs.co.uk/content/whats-egg
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Selection and Storage Nutritional Value 1. Contain essential amino acids as well as …. Iron, phosphorus, vitamins A, B and D 2. Egg yolks are high in … Cholesterol
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Egg Grades The four qualities that determine the egg grade are - shell condition - size of air cell - clearness and thickness of egg white - condition of yolk candling- an egg grading process where eggs are illuminated to see the structure
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Candling http://shilala.homestead.com/candling.html
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See Mrs. Anderson…
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Emulsifiers a mixture that forms when you combine liquids that ordinarily don’t mix ( oil and water)
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Emulsifying Agent the ingredient that holds other ingredients together
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Foams the five factors that affect egg foams and how they affect them - Temperature- room temp. will create more volume Fat - does not allow the egg foam to form
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Acid- makes egg foam more stable Sugar- increases the stability Beating time
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See Mrs. Anderson When working with egg foams- what part of the egg do you need to stay away from? If your eggs are cold, what should you expect?
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Stages of Egg foams stages of egg foams a. foamy - bubbles and foam form around the edge b. soft peak- c. Stiff peak
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Thickeners Coagulation- thickening of protein Binding and Interfering agents Function- hold food products together Structure F. Nutrition Flavor and color
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Using Raw eggs can cause … salmonella Egg substitutes these products are …made of real eggs without the yolk
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Food Science principles Coagulation- What three things affect the coagulation? Temp, time and addition of other ingredients
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Stop here!
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How to make a meringue… Beat eggs until soft peak stage Add sugar slowly Continue beating until stiff peak stage
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How to make custard http://www.youtube.com/watch?v=GX457DI85Mw
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Meringue/custard pies… things to avoid Weeping- moisture that forms between the meringue and custard - caused by not properly sealing the meringue
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Beading - golden droplets that form on the surface of the meringue Synerisi s- leakage of water from the custard if it is over cooked
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Over cooked- custard is shiny and has large swiss cheese like holes Synerisis Undercooked- custard will run all over the plate, it will not form a triangle Properly cooked – will form a triangle when cut Meringue will stay on the pie No weeping beading or synerisis
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