n Line metal baking pan with parchment paper. Preheat the oven to 350 degrees F (175 C).nn Flour with baking powder sift, separate the egg whites from egg yolks. Egg whites whip to stiff, at the end of mixing, add sugar – mix it for a while. Add the egg yolks, stir gently with a spatula, pour the flour and mix again.nn Put the dough into mold. Bake for about 15-20 minutes – to a dry stick. After cooling, pull the sponge cake from the mold and put it aside...n