Cook the spaghetti in salted water. In the meantime, dice the zucchini and onion and sauté in oil. When the onions are slightly translucent, add 5 tablespoons of the pasta water and the thawed spinach leaves. Season with salt, pepper, curry and nutmeg.
Simmer briefly and then stir in the cream cheese. When the cream cheese has melted, add the shrimps and cook for 1 minute. Season again if necessary.
Drain the spaghetti and add to the pan. Swirl briefly, mix in the basil cut into strips and serve.