1 c. butter, softened
1 c. brown sugar
1 egg yolk
1/4 tsp. salt
1 tsp. vanilla
2 c. flour
1/4 c. chopped walnuts
6 Hershey chocolate bars
1/4 c. chopped walnuts

Blend ingredients in order given. Spread mixture onto a cookie sheet. Bake 350 degrees for 20 minutes (no longer). Break apart Hershey bars and put on top of mixture as soon as it comes out of oven. Spread chocolate when melted across the top. Sprinkle with 1/4 cup chopped nuts and let cool before slicing into small squares.