Combine butter, salt, garlic and egg in a bowl. Soak the bread roll in warm water, squeeze out and add. Finally add the sausage meat and mix. If the dough is too soft, add a little more breadcrumbs.
Form small dumplings with a teaspoon and add to the boiling salted water. Let it simmer for about 15 minutes. Take out the dumplings and place in the prepared broth.