Prep Time: 20
Cook Time: 40
Serves: Serves: 8
Mix white sauce and tarragon together; set aside.
Layer one-third of the noodles, one-half of the seafood, one-third each of the cheeses and white sauce in a greased 13x9-inch baking dish. Repeat layers. Top with remaining noodles, white sauce and cheeses. Bake in preheated 350°F oven 40 minutes or until bubbly. Let stand 10 minutes before serving.