1
Separate the eggs. Beat the yolks with the sugar. Then add the flour, yeast and the whites, beaten until stiff with the salt.
2
Pour the mixture onto a rectangular baking tray covered with baking paper.
3
Bake in a preheated oven at 210°C for 25 minutes.
4
While hot, place the cake on a damp kitchen towel, spread with chocolate hazelnut spread and carefully roll it up.
5
Wrap in the towel and refrigerate until serving.
6
Wrap in the towel and refrigerate until serving.