Finely dice the rolls and place them in a bowl. Heat the milk and pour it over. Leave to stand for about 15 minutes.
Peel and finely chop the onion. Wash the arugula and chop coarsely. Heat 1 tablespoon butter. Fry onion until transparent. Fry the rocket briefly.
Peel, wash and chop the carrots and kohlrabi. Clean and wash the sugar snap peas and cut them in half diagonally.
Knead the rolls, eggs and rocket mixture. Season with salt, pepper and nutmeg and form 10-12 dumplings. Let them simmer in boiling salted water for about 15 minutes.
Heat 2 tablespoons of butter. Steam carrots and kohlrabi for about 4 minutes. Dust with flour. Stir in cream and 100 ml water. Bring to the boil. Season with salt, pepper and nutmeg. Add sugar snap peas. Simmer for about 3 minutes. Arrange everything.