Cousin Sue'S Great Beans
["4 large onions, sliced thin", "1/2 c. tightly packed dark brown sugar", "1 tsp. garlic powder", "1 (28 oz.) can favorite baked beans", "1 Tbsp. dry mustard", "1 tsp. salt", "1/2 c. cider vinegar", "8 bacon slices, cooked, drained and crumbled", "2 (15 oz.) cans butter beans", "1 (16 oz.) can green lima beans", "1 (16 oz.) can dark red kidney beans"]
["Place onions, vinegar, sugar, mustard, garlic powder and salt in a skillet.", "Cover and cook over low/medium heat for 20 minutes (onions should become transparent).", "Combine all beans (do not drain the baked beans).", "Combine both mixtures in a casserole. Bake in 350\u00b0 oven, covered, 1 1/2 to 2 hours."]
["onions", "brown sugar", "garlic powder", "favorite baked beans", "mustard", "salt", "cider vinegar", "bacon", "butter beans", "green lima beans", "dark red kidney beans"]