The oven to include at 200 °C. separate Eggs into yolks and whites.
Beat the whites with a pinch of salt until fluffy peaks.
Beat the yolks with a mixer with sugar.
To the yolk mass sift the flour with the baking powder, mix with a mixer. In three stages, add the beaten egg whites. Each time stirring with a mixer at the lowest speed.
This dough will turn out.
Put baking paper on a baking sheet. Pour the dough on a baking sheet, level with a spatula.
Bake for 10 minutes.
Get the roll and put it upside down ( baking paper will be on top) on a towel. Take another wet towel to wipe them on top of the roll on which we have baking paper. ( This is necessary to make the baking paper easily detached from the roll, and has not damaged the soft cake )
Then very quickly spread the roll with your favorite jam and twist into a roll.
At this stage, the photo is not done, because you need to work very quickly. Hope explained available.
That's all, you can enjoy.
In the original biscuit is advised to spread jam and sprinkle with coconut.