For biscuit:

4 eggs

2 tbsp of cornstarch

½ tsp of baking soda

Sweeterner

Vanilla extract

For filling:

125 g of cottage cheese

Some fruits or berries ( I cut peach on small pieces)

Sweetener ( I used honey, 2 tbsp)

1. Mix 1 egg and 3 egg yolks, cornstarch, baking soda and sweetener.
2. Mix 3 egg whites until strong peaks and add to the egg yolks with starch. Mix everything together carefully.
3. Pour mixture on the baking sheet. Do not forget to grease a baking sheet with oil or cover with a silicone mat.
4. Bake in preheated oven at 180 C about 7 minutes.
5. Ready biscuit lubricate with mixed with fruits and sweetener cottage cheese and roll it.
6. Put it into the fridge for a few hours for better  impregnation of biscuit.