This post may contain affiliate links. Please see our disclosure policy.


Baking Powder 2

This is a very old recipe.

Ingredients

  • 8 ounces bicarbonate of soda
  • 1 package cornstarch
  • 6 ounces tartaric acid

Instructions

  1. Put all ingredients together and sift them thoroughly 5 times.
  2. Keep closely covered in a glass jar or tin box.