Ingredients OverviewChop potatoes into cubes with bite sizes.Slice the onion thinly
Put olive oil into a frying pan with middle heat, and add Soy sauce and sugar. Fry them until onion become slightly translucent.
Put the tuna, water and cooked vegetables together and mix well. Bring it to a boil, and put the lid on it. Until potatoes become soft, boil them for about 10 min.
Serve on a plate and sprinkle chopped spring onions.