1/2 c. white vinegar
1/2 c. sugar
1/2 c. vegetable oil
1 med. onion, chopped
1 can green beans
1 can wax beans
1 can kidney beans
1/2 c. green pepper, chopped

Combine vinegar, sugar, oil, onion, and green pepper. Mix well. Add beans, toss gently with dressing. Marinate at least 4 hours or overnight.