Three Bean Salad - cooking recipe

Ingredients

1 large onion, sliced into rings
1 medium bell pepper
1 (16 oz.) can kidney beans, drained
1 (16 oz.) can wax beans, drained
1 (16 oz.) can green beans, drained
1/2 c. oil
1/2 c. vinegar
3/4 c. sugar

Preparation

Mix all ingredients well and refrigerate overnight.