Peel the potatoes and wash them nicely then bring them to boil

Drain the excess water and mash the potatoes till you get a smooth consistence

Add the milk and margarine and keep on mashing, this gives it a smoother consistence and they become tastier

In a separate sufuria, fry the onion till golden brown and add the tomato and any other spice you want to add

Add the mashed potatoes and let it cook for 2-3mins

Serve while hot.. Can be served with beef stew