Turkey Lasagna

INGREDIENTS

• 2 1/2 cups uncooked wide egg noodles (8 oz.)
• 1 cup jarred tomato sauce, plus extra, warmed, for serving
• 1 1/2 cups Italian Fontina cheese, shredded (6 oz.)
• 2 tablespoons olive oil
• 1 medium onion, chopped
• 1 medium carrot, peeled and chopped
• 1 small rib celery, thinly sliced
• 1 pound ground turkey
• 1 tablespoon all-purpose flour
• 1 cup half-and-half
• 1 teaspoon salt
• Pepper
• 1/4 cup chopped flat-leaf parsley