Lemon Snow Bars
["1/2 c. margarine", "1 1/3 c. flour", "1/4 c. sugar"]
["In medium bowl, combine crust ingredients.", "Mix on low speed until blended.", "Pat into ungreased 8 inch square baking pan.", "Bake for 15-20 minutes or until brown on edges."]
["margarine", "flour", "sugar"]