Three Bean Salad
["1 (1 lb.) can French-style green beans", "1 (1 lb.) can wax beans", "1 (1 lb.) can kidney beans", "1 medium onion, chopped", "1/2 c. sugar", "1/2 c. oil", "1/2 c. vinegar", "1/2 tsp. salt"]
["Drain beans and combine with onions. Mix remaining ingredients and toss with vegetables. Cover. Marinate several hours or overnight. Drain before serving. Keep in the refrigerator."]
["green beans", "wax beans", "kidney beans", "onion", "sugar", "oil", "vinegar", "salt"]