BAKED BEANS WITH HAMBURGER

1 lb. hamburger
1/2 lb. bacon, cooked & diced
1 med. onion, chopped
1 (28 oz.) can baked beans
1 (15 oz.) can kidney beans
2 (15 oz.) cans butter beans, drained
3/4 c. brown sugar
4 tbsp. vinegar
1 tsp. dry mustard
3/4 c. catsup

Brown hamburger and onion. Add other ingredients; mix. Top with bacon. Cover and bake at 325 degrees for 2 hours.