Sift dry ingredients, then cut in shortening. Add buttermilk. Dissolve yeast in warm water and add to mixture. Knead lightly. Roll out, cut with biscuit cutter and bake on greased cookie sheet at 450° F about 10 to 12 minutes. Dough may be stored in the refrigerator, pinching off as much as is needed each time, or may be cut and then frozen.
To freeze and prepare: Cut and freeze these biscuits in foil pans. Place them in a cold oven at night.
Next morning, turn oven to 450° F when the bacon starts frying.Servings: 5 dozen