Very Moist and Flavorful Roast Turkey

Ingredients

• 14-pound turkey
• 1 cup unsalted butter, softened
• 2 tablespoons dried thyme
• 2 tablespoons dried rosemary
• 2 tablespoons dried sage
• 2 tablespoons garlic powder
• 2 tablespoons onion powder
• 2 tablespoons paprika
• 2 tablespoons salt
• 2 tablespoons black pepper
• 1 lemon, halved
• 1 onion, quartered
• 4 cups chicken broth