Step 1

In a large saucepan over medium heat, add onions and oil, stirring occasionally until onions begin to turn golden.

Step 2

Add water, oxtail, potatoes, miso paste, chilli powder and stir to combine. Turn the heat to the lowest, cover with lid and braise for 3 hours. Stirring occasionally and add more water as needed.

Step 3

Stir in the balsamic vinegar (optional), add spring onions and serve.