1 c. butter
2 c. flour
1/2 c. powdered sugar
1/4 tsp. salt

Sift dry ingredients together and blend into the butter. Pat the dough into an ungreased 9 x 9 inch pan. Pierce with a fork through the dough every half inch. Bake 25 to 30 minutes in a 325 degree oven. Cut into squares while warm.