1 c. (2 sticks) butter
1 c. granulated sugar
1 c. powdered sugar
1 c. corn oil
2 eggs
1 tsp. salt
1 tsp. vanilla
1 tsp. baking soda
1 tsp. cream of tartar
4 1/2 to 5 1/2 c. all-purpose flour
1 c. sugar and 1 tsp. cinnamon

Cream softened butter and sugars. Add additional ingredients in the order listed. Scoop with cookie or melon ball scoop and roll into balls (size of a small walnut). Combine additional 1 cup of granulated sugar and 1 tsp. cinnamon. Roll balls of dough in sugar/cinnamon mixture and flatten with the bottom of a glass.

Bake 10 to 12 minutes at 350°F.