Mince 2-3 times through a meat grinder or mash by blender
Put the poppies into a saucepan, add sugar and pour the milk
Cook at medium heat, stirring constantly until complete evaporation of milk
Divide dough into 2-3 equal parts, roll out each piece into a circle of 1-1.5 mm thick
Cut out circles of dough with a round glass
Fill each circle with stuffing and close up
Put ready-made pierogi on a floured surface
Cook the pierogi in salted boiling water
Cook until they come to surface, approximately for 5-7 minutes
Put ready-made pierogi into a bowl and pour with butter oil. Bon appétit!
Notes
There is another way to cook poppy. Cover the saucepan with foil and make 5-6 holes. Bake at 180 degrees until complete evaporation of milk. Chill the poppies.
Recipe by Food'n'chef at https://old.foodnchef.com/recipe/vareniki-s-makom/