Minced meat, middle of the bread, grated onion, spices, baking soda and salt knead nice. From the resulting mixture was made meatballs balls, which then, by pressing in the middle is formed as a lift. Thus prepared, they bake in a greased baking pan in the oven. Remove finished and inside them put the filling, which is made into the diced onions and mushrooms fried. Parsley cut into small pieces and together with the salt and pepper are added to mushrooms. Each filled gondola covered with a thin slice of cheese. Tomato paste is diluted with water and pour into the pan with the meatballs, which are returned to the oven and bake until browned cheese.