French Beans
["1 (1 lb.) can French-style green beans", "2 Tbsp. butter", "1 medium onion, finely chopped", "2 Tbsp. catsup"]
["Melt butter in heavy saucepan.", "Add onion and saute until golden.", "Add catsup and drained French beans.", "Toss and heat over low heat."]
["green beans", "butter", "onion", "catsup"]