march 11, 2013 entry task: what do you think a leavening agent is? what function does a leavening...

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March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role and function of various leavening agents when baking.

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Page 1: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

March 11, 2013

Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking?

Target: To identify the role and function of various leavening agents when baking.

Page 2: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Page 3: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Page 4: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

This week:

Tuesday - Cupcake lab prep Wednesday – Cupcake bake and test Thursday- Worksheet Friday-Leavening agent QUIZ

Page 5: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

BAKING & CHEMICAL LEAVENING AGENTS

Class Target:To understand the role and function of various leavening agents when baking.

Page 6: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Leavening Agents There are two main types of Leavening

Agents used in baking. Yeast & Chemicals.

Yeast is a microorganism that feeds on sugars, creates gas, and pushes out on the surrounding dough to make it rise.

Chemical leavening agents do the same thing with a chemical reaction. The basic reaction is

ACID + BASE = A GAS (CO2)

Page 7: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

How the reaction works:

http://www.5min.com/Video/How-Leavening-Works-83227000

Page 8: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Examples of Acids & Bases

Acids BasesVinegar Baking SodaButtermilkCream of Tartar(not tarter sauce)

Baking Powder = Baking Soda + Cream of Tartar

http://www.5min.com/Video/How-Leavening-Works-83227000

Page 9: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

The Acid and Base react to create bubbles in the dough!

The experiment that we are going to do on Wednesday is designed to show you how various leavening agents work in the baking process.

Follow the directions on the lab, using the appropriate leavening agent assigned to your kitchen group.

When done arrange on a plate leaving one whole, one cut in half and the others cut into bite sized pieces for the class to evaluate. Make sure there are enough for each person to try. Please do not take more than one!

http://www.5min.com/Video/How-Leavening-Works-83227000

Page 10: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Quiz

You will have a quiz on leavening agents on Friday! Listen up! Study hard and ask questions.

http://www.5min.com/Video/How-Leavening-Works-83227000

Page 11: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Fill Out Lab Plan Form

Take this time in class to fill out your lab plan form correctly.

Turn it in to me when finished. You will have 5-10 minutes.

http://www.5min.com/Video/How-Leavening-Works-83227000

Page 12: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Predictions

Make predictions on the turnout of the cupcakes depending on their leavening agent or lack of.

You will receive points for doing so.

http://www.5min.com/Video/How-Leavening-Works-83227000

Page 13: March 11, 2013 Entry task: What do you think a leavening agent is? What function does a leavening agent play in baking? Target: To identify the role

Flash Cards

In order for you to do well on your final, you will make flashcards in class to study.

You will have several foods quizzes that count for points throughout the semester

Study in chunks. DON’T LEAVE UNTIL THE LAST MINUTE!!!

http://www.5min.com/Video/How-Leavening-Works-83227000

Bread must “proof” to allow the leavening agent to cause the dough to rise before baking. [Same dough 40 minutes later.]

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Chemistry of Leavening

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