Four Bean Casserole

3/4 cup firmly packed brown sugar
2 tsp. dry mustard
1 lb. bacon (cut in thirds) fry and drain
1/3 cup white vinegar
1 lg. onion chopped

Mix the above ingredients and simmer 30 minutes

Add...
1 can lima beans
1 can butter beans
1 can kidney beans
1 can pork & beans

Mix all, and bake at 350 for one hour.