What is a Substitute for Baking Powder?

You can substitute baking powder in three different ways. 1 teaspoon of baking powder can be substituted with; 1/4 teaspoon of baking soda + 1/2 teaspoon of cream of tarter; or 1/4 teaspoon of baking soda + 1/2 cup of buttermilk or plain yogurt; or 1/4 teaspoon of baking soda + 1/3 cup of molasses. Be sure to cut other liquids if substituting with a liquid.