1 lb. butter
1 box powdered sugar
2 eggs
2 tsp. cream of tartar
2 tsp. baking soda
1/2 tsp. salt
2 tsp. vanilla
5 c. plain flour, sifted
pecans (optional)

Cream butter and sugar. Add eggs, cream of tartar, soda, salt and vanilla. Add flour a little at a time. Mix well. Chill. Roll dough into small marble-size balls. Place onto greased silver cookie sheet. Place pecan half on top of each cookie.

Bake at 325°F for 20 minutes or until done.