Question: what can replace baking soda and baking powder?
Answer: You'll also need about a teaspoon of vinegar or lemon juice for every 1/2 teaspoon of baking soda. If a recipe calls for a tablespoon of baking powder, you'll want to substitute with a teaspoon of baking soda. You'll also want to add 2 teaspoons of vinegar or lemon juice to your batter.