Three Bean Salad - cooking recipe

Ingredients

1 can yellow wax beans
1 can green beans
1 can red kidney beans
1/2 c. thinly sliced onions
1/2 c. salad oil
1 tsp. salt
1/2 c. cider vinegar
3/4 c. sugar
1/2 tsp. pepper

Preparation

Drain beans well.
Mix remaining ingredients together.
Add beans, one can at a time.
Refrigerate overnight.