Three-Bean Salad
["1/2 c. sugar", "1/2 c. salad oil", "1/2 c. cider vinegar", "1 tsp. salt", "1 (16 oz.) can cut green beans, drained", "1 (16 oz.) can wax beans, drained", "1 (16 oz.) can red kidney beans, drained", "1/2 c. chopped onion"]
["In large bowl, stir sugar with salad oil, vinegar and salt until blended.", "Add beans and onions; toss to coat beans and onions thoroughly.", "Cover and refrigerate at least 6 hours before serving to blend flavors."]
["sugar", "salad oil", "cider vinegar", "salt", "green beans", "wax beans", "red kidney beans", "onion"]