Baking Powder Supreme Biscuits

2 cups sifted all-purpose flour
4 tsp. baking powder
1/2 tsp. salt
1/2 tsp. cream of tartar
2 tsp. sugar
1/2 c. shortening
2/3 c. milk

Sift together first 5 ingredients; cut in shortening until mixture resembles coarse crumbs. Add milk all at once; stir only until dough follow fork around bowl. Turn out on lightly floured surface; knead gently 1/2 minute. Pat or roll 1-inch thick; cut with biscuit cutter. Bake on ungreased baking sheet at 450 degrees for 10 to 12 minutes.

Makes 8.