1 c. sifted flour
3 tsp. baking powder
1 tsp. salt
2 tbsp. shortening
1 c. mashed potatoes
1/2 c. water or milk

Mix an sift first 3 ingredients. Blend in shortening. Add potato and mix thoroughly. Then add enough liquid to make a soft dough. Roll dough lightly to about 1/2 inch. Cut into biscuits. Bake at 400 degrees for 12-15 minutes.