1 pkg. French style green beans, frozen
1/2 c. mayonnaise
1 tbsp. vinegar
1/4 tsp. salt
1/4 tsp. pepper
1 tbsp. butter
3-4 strips crisp bacon, crumbled
1 tbsp. finely chopped onion

Cook and drain 1 package French style green beans (frozen) and to the hot beans add all the remaining ingredients. Toss carefully. Add extra crumbled bacon on top of you desire.