Cook pasta according to package directions. Drain and set aside.
Combine mayonnaise with milk or white wine. Stir in soup, cheese, and seasonings. Gently stir in cooked pasta or noodles and drained fish or seafood.
Pour into a 1 1/2 qt. casserole dish. Cover and bake at 350 degrees for 30 minutes. Uncover and sprinkle with crunchy topping. Bake 5 minutes more. Makes 6 servings.