Cornbread without fruit butter chicken

12 tablespoons butter (1 1/2 sticks) 2 cups finely-chopped yellow onions 3 tart apples , cored and chunked, but not peeled (Jonathan, Winesap or Granny Smith)[...]

1/2 lb bulk pork sausage (I use sage sausage) 1 cup small diced onion 1 cup small diced celery 2 tablespoons butter 1 tablespoon chopped fresh sage 1[...]