cook the vermicelli as for soup, strain it, mix in the butter while it is still warm so that it had a soft mixable consistency, and then set it aside to cool.
separated the 6 eggs, whip the yolks with the sugar, vanilla sugar, and lemon zest until foamy, then beat the whites into a stiff foam.

mix the cottage cheese, sour cream, raisins, and finally the vermicelli to the foamed egg yolk-sugar mass.

carefully but firmly added to the whipped whites.

grease a 20×30 cm baking sheet with oil, put 1 fillo sheet on it, greased it with oil, another fillo sheet, grease with oil, third fillo sheet, put the cottage cheese mixture on it.

spread 3 layers of fillo on top of the mass, smearing each layer with oil, the top most pastry sheet with the egg yolk (mixed with a little oil).
bake it in an oven preheated to 180 degrees for 40-45 minutes.

When it cooled, sprinkle it with powdered sugar.