What is the science behind cookies?
What is the science behind cookies? The liquid in eggs gives a cookie structure by bonding with the starch and protein in the flour, and their protein helps to make cookies chewy. Most cookie recipes call for large eggs. If you want to substitute a different size, note that the weight difference between each size is only about 1/4 ounce per egg. How is baking a cookie a chemical change? When the materials are heated they undergo a chemical change. The reaction is non reversible. The sugar, flour and eggs can no longer be separated. The properties of the materials...