1 c. butter
1 egg yolk
1 c. powdered sugar
3 c. sifted flour
1/4 tsp. salt (opt.)
1/2 tsp. almond extract (opt.)

Cream butter; blend in egg yolk. Gradually add sugar, blending until very smooth and creamy.

Work in flour, kneading until blended. Put on cookie sheet or 8" square pan. Press into 8" circle about 1" thick. Bake at 350 degrees for 25 minutes or until lightly browned.