1/2 lb. butter
1 c. brown sugar (lightly packed)
1 egg yolk
1 tsp. vanilla
2 c. sifted flour
Ground pecans

Cream butter and sugar. Add egg yolk, vanilla and sifted flour and mix well. Spread out on greased sheet (with wet hands). Bake 350 degrees 20-25 minutes.

TOPPING:

Melt 1 giant size Hershey bar (sweet) and spread on mixture while still hot. Cut in squares then sprinkle with nuts. Keep refrigerated.