For the biscuit: separate the whites from the yolks.
Beat the whites until fluffy foam, add 100 grams of sugar.
The second part of the sugar 100 g is sent to the yolks. RUB the sugar with the yolks.
Compound proteins, yolks, frayed with sugar and flour.
Spread the dough on a baking sheet covered with parchment paper and bake at 180 degrees for 15-20 minutes. check the readiness of the biscuit with a wooden stick (if the dough does not stick, then it is ready).
For the filling, grind the halva with a fork.
And add to the softened butter, beat with a mixer until smooth.
Remove the biscuit from the oven and immediately wrap in a damp towel. Let cool.
On the cooled biscuit spread the filling, turn into a roll.