1 can B & M Baked Beans
1 can red kidney beans, drain & wash
1 can lima beans, drained
1 can butter beans, drained
1 tsp. dry mustard
1/2 c. cider vinegar
1 1/2 c. brown sugar
1 med. onion, chopped
1/2 lb. bacon

Mix together the mustard, brown sugar, vinegar and onion in a bean crock. Add all of the beans; mix well. Top with bacon cut into small pieces. Bake uncovered at 325 degrees for 3 hours.