Cook the potato dumplings in plenty of salted water for about 5 minutes according to the instructions on the packet. Pre-heat the oven to 220 degrees Celsius.
Grease a small ovenproof dish with butter. Wash the parsley, shake dry and finely chop. Mix the cream with the parsley, cheese and sherry. Place the dumplings close together in the mold. Pour the cream mixture over it. Bake the dumplings in the oven for about 8-10 minutes.
Arrange the baked dumplings on plates and serve garnished with herbs.