Prepare the dough. To the flour add baking powder, mix well. Grate the margarine, RUB it with flour into crumbs. Add sour cream, knead elastic dough. Wrap in plastic wrap, for an hour put it in the refrigerator. Prepare the filling. Onions cut into half rings, fry in vegetable oil until tender, add salt and leave on a paper towel to leave excess oil. Cheese grate on a coarse grater. One yolk to leave for lubrication, the rest beat the eggs. Mix the onions, cheese and eggs.

Divide the dough into 2 parts - 2/3 for bottom crust and 1/3 for the top. For the bottom layer to roll out thinly - 0.5 cm, transfer on a rolling pin on a baking sheet.

Put the stuffing, a little before reaching the edge.

Of the remaining part of the test you can just roll out and cut into strips, attach them to the cake, and can be molds for cookies to do here is the starry sky, or the mushroom glade, or lawn - well, what you want. Brush with beaten egg yolk. In a preheated oven 200 C for 25-30 minutes, focus on its, until Browning. To give it a rest for 20 minutes. The pie is delicious warm and cold. The filling is very juicy and spicy. Dough comes out a little, it's thin, if you want more then you need to take 2 a proportion is the number of toppings. Bon appetit!!!