baking soda and buttermilk instead of baking powder

Baking Soda and Buttermilk for Baking Powder (Biscuits)

Swap 1/4 teaspoon of baking soda and 1/2 cup of buttermilk for each teaspoon of baking powder, then see the math in a drop biscuit recipe with grams, a liquid check and sodium per biscuit.