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

DEAR HELOISE: I understand that baking powder has a shelf life, and that it can go bad. Can you tell me how long it remains good? — Joe and Kay, via e-mail It does have a shelf life, and here’s how to ...

QUESTION: What are the differences between baking soda and baking powder (double acting)? Why would one or the other be used in some recipes, and why are both used in some recipes? — Frank Reid, ...

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

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 ...

Q: What are the differences between baking soda and baking powder (double acting)? Why would one or the other be used in some recipes, and why are both used in some recipes? — Frank Reid, Ferndale, ...