1 c. butter
1 c. packed brown sugar
1 egg yolk
2 c. flour
1 tsp. vanilla
1 giant Hershey bar or 6 regular bars
Crushed pecans

Mix together and spread on greased jelly roll pan. Bake in 350 degree oven for 15-20 minutes. While baking, put crumbled Hershey bar on top of stove until softened. Spread Hershey bar on toffee when done and sprinkle with nuts.