Instructions

1. 1
   Cook potatoes until very soft (at least an hour). Peel and mash with a fork.
2. 2
   Add the egg to the mixture, along with the little salt and oil. Mix well.
3. 3
   Gradually mix in the flour to make a smooth dough. You may need a little more or less than the listed quantity.
4. 4
   Knead the potato dough, then roll it out into a thin sheet (about 5 mm thick), and cut into squares.
5. 5
   Put half a plum or 1 tsp of plum jam on each square. Wrap the dough around the filling and seal the edges.
6. 6
   Cook in boiling water for 10–15 minutes until the dumplings are floating and cooked through.
7. 7
   Serve with bread crumbs fried in butter.