Preparation

Put cornmeal, a little wheat flour. Peel two larger apples and two potatoes, the same size and put them on the grater with smaller holes.

Put the sourdough, soak the flour, and a little mineral water. Put a little yeast dissolved in mineral water and a little baking soda.

Add two more eggs, a little sugar and 100 ml of oil. Mix everything and make a softer dough. Put it on the tray and put it in the oven.