Fry the finely-chopped onion and cubed potatoes in olive oil until they get golden. Pour it over with the broth and stew it for 10 minutes.

Crack the eggs and separate yolks from whites. Knead dough from the given ingredients (sugar, flour, margarine, yolks, baking powder, cream).

Pour the flower, baking powder, yolks and sugar into a dish. Add water (normal, cold) in an amount which gives the batter thick cream consistency.

Crack the eggs into a pot, add the milk, salt and mix it with a whisk, pour the sieved flour and stir it with a whisk until the batter has got a liquid-like consistency.

Mix the yeast with one spoonful of sugar, flour and warm milk, then leave it. Cream the yolks with sugar, mix with the leaven, add the rest of the flour and then knead the dough.