Dear Heloise: I've got a problem! Sometimes my cookies, muffins, cakes and biscuits don't rise enough. I was told that there is a test for checking the freshness of baking powder. I tried this and was ...

Baking may seem like magic sometimes, but it's actually science! Just consider baking powder and baking soda for a moment. These chemical leaveners are the reason your baked goods like homemade cakes, ...