Peanut Butter Bars
["2 sticks margarine", "1 c. peanut butter", "1 1/2 c. crushed graham crackers", "1 box powdered sugar"]
["Melt butter.", "Stir in peanut butter, graham crackers and powdered sugar.", "Pat in cookie sheet."]
["margarine", "peanut butter", "graham crackers", "powdered sugar"]