1 lb. ground beef, browned and drained
1/2 lb. bacon, browned and drained
1 c. onions, cooked with ground beef
1 can butter beans (undrained)
1 can kidney beans (undrained)
1 can pork and beans (undrained)
1/2 c. ketchup
1/2 c. brown sugar
2 tbsp. vinegar
1 tbsp. mustard

Mix all together and bake uncovered 1 1/2 hours at 300°F.