In a round, deep pan (fireproof) greased with margarine stackable rotated 90 degrees filo pastry sheets previously smeared with butter. Leave rabchetata of sheet hanging on the side of the tray. Raw mushrooms chopped stew with a little butter. Add to chopped and lightly cooked crab sticks, cream and milk. Blend in blender to homogenize the mixture. Beat eggs with mixer - separate the yolks and whites. To the yolks added finely crumbled feta cheese and place to mushroom mixture. Beaten egg whites are added to the mixture and gently stir with a spoon. Season with milled white pepper and nutmeg. The thus obtained mixture was poured onto a tray. Bend is hanging over the sheet mixture on the edge of the tray so as to obtain a ledge. Pour a few pieces of butter on top. Bake in moderate oven until the turn pink peel. Shortly before withdrawing the tray, sprinkle with grated cheese, allow to melt and lightly browned. Serve warm, because the filling falls.