Hawaiian Sweet Bread Holiday Stuffing

Name: Hawaiian Sweet Bread Holiday Stuffing
Ingredients: 2 loaves sweet Hawaiian bread or egg bread; 1 cup pineapple chunks, fresh, canned or dried; 1 cup cranberries, fresh, canned or dried; 1 cup chestnuts, toasted, cleaned and chopped; 1 tablespoon fresh sage, chopped; 1 tablespoon fresh thyme leaves; 1 pound link turkey, chicken or pork sausage; 1 tablespoon canola oil; 2 medium onions, diced; 5 stalks celery, diced; 5 cloves garlic, minced; 1 cup whole milk; 1 cup chicken or vegetable stock; 2 pineapples, centers hollowed out