Tarragon Roast Turkey With Vermouth Recipe

Ingredients

• 8 tablespoons unsalted butter - (1 stick)
• 2 tablespoons dry white vermouth plus
• 2/3 cup dry white vermouth
• 1 1/2 tablespoons dried tarragon
• 4 garlic cloves mashed, chopped
• Salt to taste
• Freshly-ground black pepper to taste
• 1 turkey - (12 to 14 lbs) neck, gizzard, and heart reserved
• 2 cups canned low-salt chicken broth
• 2 teaspoons cornstarch