Congo Squares
["1 box light brown sugar", "1 1/4 sticks margarine", "3 eggs", "2 3/4 c. self-rising flour", "1 c. nuts", "1 tsp. vanilla"]
["Melt butter and mix with brown sugar.", "Add 1 egg at a time, beating after each one.", "Add rest of ingredients.", "Bake in long pan for 30 minutes at 325\u00b0."]
["light brown sugar", "margarine", "eggs", "flour", "nuts", "vanilla"]