Baked Bean Casserole
["1 can kidney beans", "1 can lima beans", "1 can butter beans", "1 large can pork and beans", "1/2 lb. bacon, cooked and drained", "3 large onions", "1 c. dark brown sugar", "1/4 c. vinegar", "1 Tbsp. dry mustard"]
["Open first three cans of beans; drain and set aside.", "Saute 3 large onions (chopped) in bacon grease, then drain."]
["kidney beans", "beans", "butter beans", "pork", "bacon", "onions", "brown sugar", "vinegar", "mustard"]