1 c. sugar
1 1/2 c. flour
1 c. butter
1 tsp. vanilla
1 egg yolk
1/2 c. chopped pecans
1 c. crushed potato chips

Cream sugar and butter; add egg yolk and vanilla. Mix well. Add flour (a bit at a time). Then add remaining ingredients. Form into balls, flatten with fork. Bake 12 minutes at 350 degrees. Let stand on cookie sheet for a few minutes before serving.