Roasted Citrus-Herb Spatchcocked Turkey - Fosseen's Home and Hearth

Ingredients

• 1 Cup salt
• 1/2 Cup brown sugar
• 2 oranges, quartered
• 2 lemons, quartered
• 6 Sprig fresh thyme
• 4 Sprig fresh rosemary
• 1 (10-13 lb) turkey
• 2 Stick butter, softened
• 1 Clove garlic, pressed or minced
• 4 Sprig thyme, leaves pulled
• 1 Teaspoon freshly ground black pepper
• 1 Large onion, cut into eighths
• 4 Stalk celery, finely chopped
• 4 Large carrot, roughly chopped
• 2 bay leaves
• As Needed extra-virgin olive oil
• 2 Teaspoon kosher salt
• 1/2 Teaspoon black pepper
• 2 Cup chicken or turkey stock, preferably homemade