How to cook "surprise" buns
Grate hard cheese by large scraper, add whipped egg, oat flakes, soft butter, salt and mix. Mix the baking powder with flour, mix with the remaining food. Gradually add milk, mix, take care that the dough won’t be too weak. The dough must be thick enough so that we’ll get cookies easily. Wet the hands and make balls from dough. Flatten each ball, make cookie. Fry in oil onion and mushroom. Put on the dough a fried mushroom, onion, sliced green. Close the edges of the dough, make bun. Oil the pan, put oil paper, align balls on frying pan. Bake for 20-25 minutes, at 180 degree.