Stuffed Turkey with Caramelized Red Onions

Ingredients

• 1 turkey, about 16 lb (7 kg)
• 32 cups (8 litres) cold water
• 1 cup (210 g) brown sugar
• 3/4 cup (180 g) salt
• 2 tsp ground cinnamon
• 1 tsp black peppercorns, crushed
• 1 lb (450 g) ground pork
• 1/4 lb (115 g) bacon, chopped
• 2 apples, peeled and grated
• 1 cup (125 g) dried breadcrumbs
• 1 tsp ground cinnamon
• 1 1/2 cups (375 ml) unsweetened applesauce
• 1/2 cup (115 g) butter, softened
• A piece of cheesecloth, 4 layers thick, cut the same size as the turkey breast and moistened with water
• 2 carrots, peeled and cut into large pieces
• 4 celery stalks, cut into large pieces
• 2 cups (500 ml) chicken broth
• 6 large red onions, peeled and cut in half crosswise so the rings are showing
• 1/2 cup (125 ml) balsamic vinegar