Comforting Japanese stew

Ingredients

2 tbsp sesame oil
200g beef brisket (cut into thin slices)
600g waxy baby potatoes (peeled and cut in half)
2 onions (peeled and cut into 8 lengthwise pieces)
350ml dashi
50ml soy sauce
2 tbsp brown sugar
50ml sake
50ml mirin
2 tbsp sesame (roasted for 2 minutes without fat)
1 fresh chilli (cut into thin slices)
Coriander

Method

1. Heat the sesame oil in a pot, sear the meat for 2 minutes, add potatoes and onions and fry for another 3-5 minutes
2. Add dashi, soy sauce, sugar, sake and mirin and boil up
3. Reduce to medium heat and simmer for 25 minutes. Gently stir a few times
4. Garnish with sesame, chilli and coriander