1 cup butter or margarine
1 cup brown sugar
1 egg
1 tsp. vanilla
2 cups flour
½ cup chopped nuts
Mix all ingredients together until combined. Press into an 11 by 17 inch baking pan. Bake at 350f for 15 minutes. Upon removing from the oven, sprinkle with 1 cup chocolate chips. Return to oven for a few minutes until the chips melt. Remove from oven and spread melted chocolate evenly.