Four Bean Medley

Yummy and wholesome goodness in every bite of this easy-to-fix four bean side dish! 8 bacon strips, diced 2 medium onions, quartered and sliced 3/4 cup packed brown sugar 1/2 cup cider vinegar 1 teaspoon salt 1 teaspoon ground mustard 1/2 teaspoon garlic powder 1 (16...