Four Bean Casserole
["1 (16 oz.) can limas", "1 (16 oz.) can butter beans", "1 (16 oz.) can kidney beans", "1 (16 oz.) can pinto beans", "1/3 c. vinegar", "1 Tbsp. mustard", "3/4 lb. bacon, fried and crumbled", "3/4 c. brown sugar", "4 large onions, chopped and fried"]
["Cook on low in crock-pot 4 hours or 2 hours at 325\u00b0 in oven."]
["limas", "butter beans", "kidney beans", "pinto beans", "vinegar", "mustard", "bacon", "brown sugar", "onions"]