Juicy Spatchcock Turkey: Crispy Skin, Faster Roast!

Ingredients

• 1 (12-14 pound) whole turkey, fresh or fully thawed (5.4-6.3 kg)
• 2 tablespoons kosher salt (30 ml)
• 1 tablespoon black pepper (15 ml)
• 1 tablespoon dried rosemary (15 ml)
• 1 tablespoon dried thyme (15 ml)
• 1 teaspoon garlic powder (5 ml)
• 1/2 teaspoon onion powder (2.5 ml)
• 1/4 cup olive oil (60 ml)
• 1 lemon, quartered
• 1 small onion, quartered
• 4 cloves garlic, smashed
• 1 gallon water (3.8 liters)
• 1 cup kosher salt (240 ml)
• 1/2 cup brown sugar (120 ml)
• 1 orange, quartered
• 4 sprigs fresh rosemary
• 6 cloves garlic, smashed
• 1 tablespoon black peppercorns (15 ml)