9 c. sifted flour
1/3 c. baking powder
1/4 c. sugar
1 tbsp. salt
2 tsp. cream of tartar
2 c. nonfat dry milk
1 lb. noncholesterol butter

Combine dry ingredients in large bowl; mix well. Cut in butter until crumbly. Store in airtight container in refrigerator. Use in same manner as packaged biscuit mix. Yield: 13 cups mix.