Sweet And Sour Baked Beans
["8 bacon slices-fried crisp, drained and crumbled", "4 large onions, peeled and sliced", "1/2 to 1 c. brown sugar", "1 Tbsp. dry mustard", "1 tsp. salt", "1/2 c. cider vinegar", "2 15 oz. cans butter beans", "1 15 oz. can lima beans", "1 can red kidney beans", "1 1 lb.11 oz. can pork and beans"]
["Place onions in skillet. Add sugar and mustard, salt and vinegar. Cook 20 minutes, covered. Add onion mixture to beans and crumbled bacon. Bake 350\u00b0."]
["bacon", "onions", "brown sugar", "mustard", "salt", "cider vinegar", "butter beans", "beans", "red kidney beans", "pork"]