The liver is cleared of membranes and blood vessels and cut into slices (salts after baking). Add some flour and fry quickly in preheated oil until light brown. Remove to a warm plate, the bottom of which there is little sauce roast. In the same oil fry the onion, add the cooked marrow, diced, and beaten eggs. Sprinkle with a mixture of salt, pepper and paprika. The mixture brain is distributed over half of fried liver slices and cover with the remaining slices.