Lemon Squares
["1 c. soft margarine", "2 c. all-purpose flour", "1/2 c. sugar", "1 Tbsp. lemon rind"]
["Blend and pat flat in a 9 x 12-inch pan.", "Bake at 325\u00b0 for 15 minutes."]
["margarine", "flour", "sugar", "lemon rind"]