Mix dry ingredients thoroughly in a large container. Cut in shortening until fine crumbs are obtained.
Store tightly covered, in refrigerator. Use within 3 months.
Will make approximately 3 batches of 16 biscuits
Preheat oven to 425°F.
Stir most of the water with the mix. Add more water to make a soft dough that is not too sticky to knead. Knead dough 15 times on a lightly floured surface. Pat or roll dough into a square about 7 x 7 inches. Cut into 16 pieces and place on ungreased baking sheet.
Bake until lightly browned, about 12 minutes.
Times are approximateRemember, cooking times may vary depending on ovens, so test doneness before stated cooking times. Nutritional values listed may vary from final results depending on actual measurements and brands used to prepare the recipe.