Peel the potatoes, boil them in a little salted water, then mash them and mix the milk and the butter. In a greased with butter and sprinkled with breadcrumbs tray spread half of mashed potatoes. On it arrange slices of tomato, and on them - the diced salami (sausage). Sprinkle with the chopped onion and cover with remaining sauce. Pour the beaten eggs and bake in preheated oven until slightly stronger redness. Minutes before removing the dish from the oven, it Sprinkle with grated cheese.