For the dumplings, dice the buns into small pieces. Heat the milk, pour over the dumplings and soak for about 30 minutes.
Peel and finely chop the onion. Heat 1 tablespoon butter. Sauté onion in it. Wash parsley, dab dry and chop. Knead the eggs, parsley and onion into the roll mixture. Season with salt and pepper.
Form approx. 14 dumplings from the mass. Cover and put in a cool place for about 1 hour.
Cook the dumplings in portions in plenty of boiling salted water for 12-15 minutes. Lift out dumplings and let them drain.