1 tbsp. diced onion
1/2 lb. lean ground beef
1/4 c. brown sugar
1/2 c. ketchup
2 tbsp. vinegar
1 tbsp. mustard
1 (16 oz.) can lima beans
1 (16 oz.) can pork and beans
1 (16 oz.) can kidney beans
1 (16 oz.) can butter beans

Preheat oven to 300 degrees. In a non-stick fry pan, brown diced onion and ground beef. Drain off fat. Drain beans and mix remaining ingredients together. Add to meat and onions and bake 1 1/2 hours in a covered baking dish. Can also be cooked in crock pot on low at least 4 hours.