1 lb Powdered Sugar 1/2 c Butter or Margarine 4 Chocolate Squares, melted 4 Eggs, well beaten 1 ts Vanilla 1 1/2 c Flour 1 c Walnuts, chopped Cream sugar and butter until light and fluffy. Add melted chocolate and vanilla, beat well. Add eggs and stir in flour. Fold in nuts. Grease and flour a 9x13 pan. Preheat oven to 350oF and bake for 25-30 minutes. Cool and cut. DO NOT OVERBAKE. Source: "The Yankee Kitchen" 03-30-93 (#3) [Lorraine]