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

Cream butter, add sugar gradually and cream until fluffy. Add unbeaten egg and vanilla; beat well. Sift together dry ingredients; blend into cream mixture. Chill dough about an hour. Roll on well floured pastry board to 1/4 inch thickness. Cut with floured cutter. Bake on an unbuttered cookie sheet for 6 minutes at 325 degrees. Yield: 6 dozen cookies.