Boil the pasta and drain it.Mix it with melted oil.Add salt and paper.Chop the onion and mix with minced beef ,salt and black paper.Cook them in the pan for 10 minute.Put the boiled pasta into owen tray then add minced beef sauce then put the rest of the pasta.Put grated cheese on the top of it.Put milk and egg mix on it and cook in the owen till cheese are roasted.