Preheat the oven to 170°C.

Toss the beef in the Massaman curry paste.

Place a large frying pan over a medium heat and add a dash of oil.

Place in the onion and cook until soft but not coloured.

Transfer to an ovenproof casserole dish.

Add another dash of oil to the frying pan and place in the beef, in batches, and brown on both sides.

Transfer to the casserole dish as you go.

Pour the coconut milk and water into the frying pan and allow to bubble up.

Add the lime juice, sugar, bay leaf and fish sauce.

Stir to combine, then pour over the bee

Place on the lid and place in the oven to cook for 1 hour.

Remove from the oven, taste for seasoning and add the potatoes.

Cook for a further 1 1/2 hours until the beef is almost falling apa