Cook the gnocchi in boiling salted water according to package instructions. Pour into a sieve and drain well.
Cut salmon into strips. Wash the dill and shake dry. Pluck the dill flags and chop them. Peel onion and chop finely. Heat oil in a large pan. Fry the onion until transparent. Add cream cheese, cream and 200 ml water.
Stir in the stock and bring to the boil while stirring continuously. Simmer sauce for 2-3 minutes.
Add salmon and dill to the sauce. Season to taste with salt, pepper and lemon juice. Add gnocchi and heat up briefly. Serve salmon gnocchi.