Spatchcock Turkey

Bahan-bahan (10 porsi)

• 1 12 - to 14-pound turkey*
• 2 to 3 medium carrots (scrubbed and coarsely chopped)
• 2 stalks celery (coarsely chopped)
• 1 large yellow onion (peeled and roughly chopped)
• 1 red apple (cut into 1-inch wedges (no need to core or peel))
• 6 sprigs fresh thyme (or a mix of sage, thyme, and rosemary)
• 6 tablespoons unsalted butter (softened to room temperature)
• 3 cloves garlic (minced (about 1 tablespoon))
• 2 tablespoons chopped fresh rosemary or sage
• 1/2 teaspoon kosher salt
• 1/4 teaspoon ground black pepper