Buttermilk Biscuits

Method

Prepare Basic Rolled Biscuits, reducing the baking powder to 2 teaspoons, adding 1/2 teaspoon baking soda, and substituting buttermilk for the milk.

Source

Irma S. Rombauer, Marion Rombauer Becker, and Ethan Becker, The Joy of Cooking, rev. ed. (Scribner, 1997), 790.