Cook the noodles in 4 l boiling salted water (1 teaspoon salt per litre) according to the instructions on the packet. Clean, wash and slice the zucchini. Peel and chop onion. Rinse fish, dab dry, dice.
Sauté the fish in hot oil. Fry the zucchini and onion briefly. Season with salt and pepper. Stir in cream cheese, wine and 1⁄8 l water, bring to the boil. Season with salt, pepper, lemon peel and lemon juice.
Wash basil, chop coarsely, stir in. Drain the pasta. Serve with sauce.