Question: what to substitute baking powder with?
Answer: Buttermilk. Buttermilk is a fermented dairy product with a sour, slightly tangy taste that is often compared to plain yogurt. ...  Plain Yogurt. ...  Molasses. ...  Cream of Tartar. ...  Sour Milk. ...  Vinegar. ...  Lemon Juice. ...  Club Soda.