In a separate bowl, mix flour, cinnamon, baking powder, and baking soda. Fold the dry mixture gently into the banana mixture ...

I thought the general rule was that you use about 1 tsp baking powder to 1 cup flour — both of these recipes had more like 2 tsp to 1 cup of flour. Can you give me a rough idea of how much ...

Check the expiration date to start or try this fun test to see if your baking powder is still active: Mix 1/2 teaspoon baking powder with 1/2 cup hot water; the mixture should bubble right away.

Make a baking powder mixture by placing 1/4 teaspoon of cream of tartar, 1/4 teaspoon of baking soda, and 1/4 teaspoon of cornstarch and in a cup. Use a popsicle stick or plastic spoon to thoroughly ...