Does chocolate chip cookie dough sit in the refrigerator for 48 hours before baking it?By: Brooke Giaccone-Hammell

And Julie Sentman

Background information • Chocolate chip cookie dough have dry and wet ingredients. • If you mix dry and wet ingredients they hold together and make dough.• If you let the dough sit then the wet ingredients can absorbed to the dry ingredients.

Hypothesis • If you let the chocolate chip cookie

dough sit in the refrigerator it will eventually dry up and then the wet and dry ingredients will all become dry and then become delicious.

Experiment • Make two batches of chocolate chip cookie dough and put one batch in the refrigerator and on batch not in the refrigerator and let them sit for 48 hours and after 48 hours bake the cookie dough, taste it and see which batch is better.

Materials To make the chocolate chip cookies you will need • 3 mixing bowls, • mixer, • measuring spoons and cups, • plastic wrap, • refrigerator, • cookie sheet, • oven, • cooling rack,• ingredients,• lab notebook if you want to record your data

experiment.

Procedure • (This is the recipe for a total of two batches.)

• Flour four and a half cups.

• Baking soda 2 teaspoons

• Salt 2 teaspoons• Batter or margarine, softened 2 cups

• Granulated white sugar 1 and a half cups

• Vanilla extract 2 teaspoons

• 4 eggs• Semi sweet chocolate chips 2, 12 ounce

packages.

Procedure 2

• Mix all ingredients into two bowls equally and put one bowl into refrigerator and one bowl not in refrigerator and wait 48 hours.

• Bake for 15 to 25 minutes after 48 hours and see which batch is better.