Classic Roast Turkey with Herb Butter Ingredients 1 whole turkey (12–14 pounds), thawed 1 cup unsalted butter, softened 2 tablespoons fresh rosemary, finely chopped 2 tablespoons fresh thyme, finely chopped 1 tablespoon fresh sage, finely chopped 4 garlic cloves, minced 1 teaspoon salt 1/2 teaspoon black pepper 1 lemon, halved 1 onion, quartered 4 cups chicken or turkey broth