1 lb. hamburger
1 onion, chopped
1 can pork & beans
1 can butter beans, rinsed and drained
1 can kidney beans, rinsed and drained
3/4 c. ketchup
1/2 c. brown sugar
2 tbsp. Worcestershire sauce
1 tsp. mustard
1/4 c. vinegar

Brown hamburger with onion. Add all the beans. Combine remaining ingredients and add to the mixture. Place in a casserole and bake at 350 degrees for 35-40 minutes.