What is All Purpose Baking Mix?

An all purpose baking mix would be either Bisquick or Krustez, but if you prefer you can mix your own and store it in a container for use when you need it. The ingredients would be 8 cups all purpose flour, 2 tbsp baking powder, 1 tbsp salt, 2 tsp cream of tartar, 1 tsp baking soda, 2 cups dry nonfat milk, and 2 cups shortening, mix all dry ingredients it is best to use a mixer then add shorting ‘ a cup at a time then store in a air tight container as this will keep for 3 months.