Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      pound         Ground beef
     1/2  cup           Parsley finely chopped
     1/4  cup           Onion finely chopped
   1      large         Egg
                        Salt and pepper
   1                    Piece of old bread *
   1      cup           Or more for bread crumbs
                        Vegetable oil

Preparation:

* soak in enought milk for to cover all (the piece is aprox. 1/4 lb) Put the pieces of bread with milk let stand 15 min until is soft, blend it and add to the ground beef, add parsley, onion, salt and pepper. Make balls or hamburgers and cover with bread crumbs, fry in enough vegetable oil for to cover all the ball, with a fork help the balls to cook making holes. Let dry and cool in a papper towel, prepare the sandwiches: one side mustard other side butter and the hamburguer.