1 1/3 c. vinegar
2/3 c. salad oil
1 1/2 c. sugar

Put in pan and bring to boil. Add to:

Drained & rinsed can kidney beans
Drained cut green beans (1 can)
Drained yellow cut beans (1 can)
2 med. sized onions (1 red)
1 green pepper, cut into strips

Let stand about 24 hours. Stir at least once.