1/2 c. butter
1/2 c. Crisco
1 egg
1 c. sugar
1 tsp. vanilla or lemon extract
2 c. flour
1/2 tsp. baking soda
1/2 tsp. cream of tartar

Cream together butter and Crisco; add egg and remaining ingredients; chill dough. Make into small balls and flatten with fork. Sprinkle a little sugar on top. Bake at 350 degrees.