Cream together:
1 C shortening
1 C butter
1 C powdered sugar
1 C granulated sugar
Beat in:
2 eggs
1 tsp vanilla
Add:
4 C flour
1 tsp cream of tartar
1 tsp soda
1/2 tsp salt
Mix to blend. Shape into balls (1 inch) roll in sugar or roll out and cut into shapes.
Bake 375 degrees 8 minutes on ungreased pan.