8 slices bacon, crisp
4 lg. onions slice thin, cut rings in 1/2

Saute onions in bacon fat on low heat for 15 minutes.

1 tsp. salt
1 c. brown sugar
1 tbsp. dry mustard
1/2 c. cider vinegar

Add to onion mixture and cook on low heat 20 minutes, covered.

1 (1 lb.) can green lima beans (partially drain, save juice)
2 (1 lb.) cans butter beans (partially drain, save juice)
1 (1 1b.) can dark red kidney beans, drain completely
1 (1 lb.) can Campbell's pork & beans
1/2 c. ketchup

Mix all together and cook on top of stove for awhile. Put in casserole. Crumble bacon on top. Bake, covered, 2 hours at 350 degrees. If casserole becomes dry, add extra bean juices.