3 strips bacon, browned and crumbled
1 med. onion, diced and browned
1 lb. ground beef, browned lightly
3/4 c. brown sugar
1/2 c. ketchup
1 (16 oz.) can pork and beans
1 (16 oz.) can kidney beans
1 (16 oz.) butter beans
1 (16 oz.) great northern beans
1 tsp. mustard

Mix all ingredients and bake in large casserole dish 1 1/4 hours at 350 degrees. Serves 6 as a main dish or 8 as a side dish.