Wash, halve, and pit the plums, then roll them in a bit of powdered sugar and cinnamon.
Boil the potatoes and mash them while still warm, then let them cool. Add the flour, egg yolk, and lard. Knead until the dough comes together, then roll out and cut into equal squares.
Place one plum in each piece, form into dumplings, and cook in boiling water until they rise to the surface.
Meanwhile, toast the Ditrói breadcrumbs in melted lard or oil until golden brown, then mix with cinnamon and powdered sugar.
Roll the dumplings in the toasted breadcrumb mix, then serve with extra cinnamon sugar if you like.
Enjoy!
