Mile High Tea Biscuits

Mile High Tea Biscuits too...
3 cups flour
3/4 tsp cream of tartar
3/4 tsp salt
4 1/2 tsp baking powder
2 tbsp. sugar
3/4 cup shortening
1 egg
1 cup milk
Add egg to 1 cup milk. Mix remaining ingred in order given: add egg mixture. Knead dough 3 to 5 times; cut with round cutter. Brush with a touch of milk; bake 450 degree oven for 12-15 minutes.
Variations: can add grated old fashioned cheese or raisins