1 C. butter
1 1/2 C. powdered sugar
1 egg
1 tsp. vanilla
2 1/2 C. flour
1 tsp. baking soda
1 tsp. cream of tartar
1/4 tsp. salt

Mix ingredients in order. Cream together first four ingredients. Mix together the dry ingredients and add to creamed mixture.

Chill; roll; cut out shapes.

Bake at 375 degrees for 5 minutes.