Simmer the chicken liver in a frying pan with onions and a little water until cooked. At the end of cooking, add salt.
Grate the cheese on a fine grater.
Grind the prepared liver in a blender until smooth. Be careful here, the liver should be plastic, not liquid. It is better to grind it first, and then, if necessary, dilute it with the remaining broth.
Spread cling film on the table and spoon the liver mixture onto it and smooth it out. The layer should be approximately 0.5 cm thick.
Spread the butter evenly over the liver layer with a spoon. It is better to take the butter out of the refrigerator first so that it is soft. Sprinkle cheese on top.
Carefully lifting the cling film, roll the layer into a roll, wrapping it in the same cling film. Place in the refrigerator for several hours.
Cut the roll into pieces and garnish with herbs or salad.