*Picture is for illustrative purposes only.

Cooking time: 35mins

Ingredients (for 4 persons)
7 oz (200g) beef or pork, thinly sliced
3 large potatoes
1 large onion
2 cups soup stock
2 1/2 tbsp soy sauce
3 tbsp mirin
1 tbsp sugar

1. Pare potatoes and cut into 3-4 pieces.  Soak them in cold water for 5 minutes.
2. Cut thinly sliced meat into 1 1/2-2 inch pieces.
3. Cut the onion into wedges.
4. Heat the oil in a saucepan, and fry the meat for 1 minute.
5. Add the potatoes and onion, and fry for a further 2 minutes.
6. Pour in the stock and bring to a boil.  Remove scum carefully.
7. Cover the pan with foil that is just smaller than the diameter of the pan, and simmer for 3-4 minutes.
8. Add the sugar, and cover and simmer for another 4-5 minutes.
9. Add the mirin and soy sauce, re-cover the pan and simmer for 6-7 minutes.
10. Remove the lid and simmer until only a little soup remains.