Vietnamese lamb shanks with sweet potatoes

Ingredients

Ground Nut Oil

2 tablespoons Ground Nut Oil

Lamb Shanks

4 Lamb Shanks

Onion

2 Onion

Ginger

2 tbs chopped Ginger

Garlic Clove

3 sliced thinly Garlic Clove

Red Chilli

1 chopped Red Chilli

Red Chilli

1 sliced Red Chilli

Brown Sugar

1 tablespoon Brown Sugar

Brown Sugar

1 tsp Brown Sugar

Star Anise

3 Star Anise

Lemongrass Stalks

2 Lemongrass Stalks

Lamb Stock

1L Lamb Stock

Tomato Puree

1 ½ tbsp Tomato Puree

Sweet Potatoes

4 Sweet Potatoes

Fish Sauce

2 tablespoons Fish Sauce

Lime

Juice of 2 Lime

Mint

Handful Mint

Basil Leaves

Handful Basil Leaves

Instructions

1- step 1 Heat oven to 160C/140C fan/gas 3.

2- Heat 1 tbsp oil in a heavy-bottomed casserole, season the shanks, then brown them 2 at a time on all sides, adding the remaining oil for the second batch.

3- Remove the lamb and add the onions.

4- Fry them quite briskly, about 30 secs, add the ginger, garlic and chopped chilli, then turn the heat down and cook for 1 min.

5- Add 1 tbsp sugar, stir, then add the star anise, lemongrass, stock, purée and seasoning.

6- Bring to the boil.

7- step 2 Cover and cook in the oven for 1½ hrs, then add the sweet potatoes and cook for 1 hr more.

8- The lamb should be completely tender and almost falling off the bones.

9- Stir in the fish sauce, lime juice and 1 tsp sugar to just lift the flavour, then scatter with the mint, basil and the sliced chilli to serve.