2 Tablespoons Cream Of Tartar Powder
1 Tablespoon Baking Soda
1 Tablespoon Cornstarch
Sift ingredients together and store in small container with tight-fitting lid.
One teaspoon of this equals 1 teaspoon of commercial baking powder.
Large Batch Baking Powder
1 lb Soda
1 1/2 lb Cream of tartar
1/4 lb Cornstarch
Mix all ingredients together. 1 tsp mix = 1 tsp Baking Powder.