For the oatmeal cutlets, boil water with oil, add salt, stir in oatmeal and let it steam out for 15 minutes.
Wash and clean mushrooms, cut into thin slices and sauté in heated butter until soft. Mix in parsley, crumble yeast and mix in as well.
Dampen hands and form loafs from the mixture. Roll in flour and fry in hot oil until golden brown.