Potatoes cut into circles with a thickness of about 3 mm and put layers on lightly oiled baking sheet,not too tight. Each layer a little salt and pepper, but without much enthusiasm because the layers are thin and overdo them nothing. Besides, salt is present in the meat.

Sprinkle with chopped onion rings.

Season the mince with salt and pepper and distribute evenly on top of the bow, but leaving a blank space to fill or bleeding between layers.

Mix the sour cream and eggs. Add the flour, bicarbonate of soda and pour the stuffing.

Bake at 180-190 degrees for about 40 minutes.If the oven with convector,perhaps less.