1 (16 oz.) can green beans
1 (16 oz.) can wax beans
1 (16 oz.) can kidney beans
2/3 c. vinegar
3/4 c. sugar
1/2 c. oil
1/2 onion, chopped

Rinse and drain well the beans. In a saucepan, combine oil, vinegar and sugar; boil for a few minutes. Mix beans and onion. Pour the sugar, oil and vinegar over the beans and onions.

Cover overnight in refrigerator. Can also add 1 can garbanzo beans, if you desire.