Fillet cut into small cubes. From eggs to separate the whites from the yolks. Proteins put into the refrigerator. In a bowl, mix the egg yolks, mustard, garlic, sour cream, salt and pepper.

In the prepared marinade put the chicken for 10 minutes.

Puff pastry roll out into a circle, place in oiled pan to form high sides. On the dough put the chicken. Put in a preheated 220*C oven for 15-20 minutes, until Browning of the edges of the dough. The recipe says that after that need to close the foil and put another 20 minutes. I didn't do that. The chicken is already cooked.

Beat the whites with a pinch of salt to soft foam. Gently mix in the grated cheese. Lay the foam on top of the pie and place in oven until Browning the top. Oven off, door open and leave it for 15 minutes.

Delicious cake is ready!