First, peel off the skin of the potatoes and cut them into pieces. Steam the potatoes for about 20 minutes until they become soft. Press them into mashed potatoes.

Peel off the skin of the onion and cut them into pieces. Put 1 tbsp of oil and fry the onion for about 1 minute on low heat until it becomes soft.

Crush the corn beef.

Mix up mashed potatoes , onion, corned beef, egg and cornstarch evenly.

Divide the mixtures into the same portion and make them circular and press them flat.

Add 2 tbsp into the wok. Fry both sides of mixtures on low heat until golden color.

Serve with tomato sauce.