Cook the spaghetti according to the instructions. Cut the smoked salmon into fine strips and heat in the cream, do not boil. Drain the spaghetti and add a little butter. Add the chervil to the salmon cream, let it steep for a moment and fold the sauce into the spaghetti. Serve immediately.
If you like, you can grind some coarse pepper from the mill over it. Also suitable as a starter, then it is enough for 8 servings.