1 c. butter
3/4 c. sugar
1 egg yolk
2 1/4 c. flour

Cream butter and sugar thoroughly. Add egg yolk and beat smooth. Add flour and stir until just blended, then place on bread board and knead lightly until soft and smooth. Place in a 9x15 inch pan and pat down evenly.

Prick with fork (important) and bake in slow 325 degree oven about 24 minutes or less (check after about 15). Cut in 1 1/2 inch squares while hot. Makes 5 dozen.