Wash and dry the mushrooms. Chop mushrooms and onions finely.
Fry in vegetable oil for 5-7 minutes. Season with salt and pepper.
Put in a bowl, add finely chopped dill and mix.
Roll out the dough and cut out circles.
Lay out the filling and pinch the edges.
Place the pies on a baking sheet. Coat with beaten egg yolk. Sprinkle with sesame seeds.
Bake in the oven at 200 degrees C for 20 minutes.
Put ready-made pies on a platter and serve.