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Homemade Baking Powder


This simple recipe for homemade baking powder is from Scott Peacock of Bon Appetit magazine.

  • Yield: Makes about 1/3 cup

Source: The Martha Stewart Show, March Winter 2008


  • 1/4 cup cream of tartar
  • 2 tablespoons baking soda


  1. Sift both ingredients together into a small bowl; repeat process 2 more times. Store in an airtight container at room temperature for up to 4 weeks; resift mixture before using.

Reviews Add a comment

  • bibliobethica
    7 MAR, 2011
    Thank you, Martha, for answering my question on the air. I love the cookie book you sent me, and the lime meltaways have become an Easter favorite.