Bisquick Baking Mix

3/8 cup baking powder
1 tsp. cream of tartar
1 1/4 cup powdered milk
1 1/2 Tbsp. salt
1/4 cup granulated sugar
1 lb. (2 cups) shortening

-Combine all ingredients; mix well, cutting shortening into all.
-Store in an air tight container up to 1 month.

Homemade Fatfree Baking Mix

 3 1/4 cups unsifted all-purpose flour
 1/2 cup sugar
 1 cup nonfat dry milk
 1/2 cup cornstarch
 1 tbsp. baking powder
 1 tsp. baking soda
 1 1/2 tsp. salt
 
 Mix together. You will need to tightly cover and store. I would also stir 
 before using.