1 c. butter
1 c. sugar
4 egg yolks
2 c. flour
1/2 lb. pecans
6 oz. chocolate chips

Cream butter and sugar until light and fluffy. Add egg yolks, flour, nuts and chocolate chips. Mix well. Drop (approximately 1 heaping teaspoon) onto greased cookie sheet. Bake at 350 degrees for 10-15 minutes.