What is a safe antioxidant or additive to prevent home baked goods from molding so fast?
Putting a piece of bread in the center (or bottom) of the container sometimes helps to keep baked goods fresh.
Yes, butter may be used to prevent cookies from sticking to the baking sheet. Cookie recipes that contain plenty of butter or shortening (rule of thumb: more than 1/2 cup) probably do not need to be baked on a greased (buttered) sheet. In fact, many cookies need to be baked on cool, ungreased baking sheets to prevent their spreading more than they should.