apple Tag

Ingredients1 tablespoon butter1 medium onion, halved and thinly sliced1 Gala or Fuji apple, halved, cored, and sliced1 head red cabbage (2 pounds), cored, quartered, and thinly slicedCoarse salt and ground pepper3 tablespoons cider vinegar4 teaspoons sugar1/2 cup water DirectionsIn a large Dutch oven or heavy pot,...