1 can cut green beans, drained
1 can wax beans, drained
1 can red kidney beans, rinsed
1/2 c. vinegar
1/2 c. salad oil
1/2 c. sugar
Onions (opt.)

Mix together vinegar, sugar and salad oil. Add beans and mix thoroughly. Chopped onion may be added, if desired. Refrigerate overnight to blend flavor.