If using onions, cut them into small cubes and sauté in a little butter.
3. Step
Put the sliced buns, the egg, the lukewarm milk, the parsley and, if you like, the onions in a bowl and mix to a sticky dough until all the buns are soft.
4. Step
Now form two approx. 7.5 - 8 cm (3 inch) dumplings.
5. Step
Boil some water and add salt.
6. Step
Put the dumplings in and let them steep for 20 minutes.