Esta's Shortbread

Ingredients:
4 c flour
1# butter (do not substitute margarine in this recipe)
1 c powdered sugar

Directions:
Mix with hands. Pat onto cookie sheet until about ¼ “ thick. Cut in squares or diamonds with sharp knife. Bake at 350º until lightly browned on the bottom and sides—WATCH CAREFULLY
Dust with powdered sugar. Cool on rack.