Toffee Nut Bar
["1/2 c. butter", "1/2 c. brown sugar", "1 c. flour"]
["Mix together.", "Press and flatten with hand to cover bottom ungreased 9 x 13 x 2-inch pan.", "Bake 10 minutes in 350\u00b0 oven. Remove from oven and spread with topping.", "Return to oven 25 minutes.", "Cool slightly. Cut into bars.", "Yields 2 1/2 dozen 1 x 3-inch bars."]
["butter", "brown sugar", "flour"]