Vietnamese lamb shanks with sweet potatoes
Ingredients:
- Ground Nut Oil - 2 tablespoons
- Lamb Shanks - 4
- Onion - 2
- Ginger - 2 tbs chopped
- Garlic Clove - 3 sliced thinly
- Red Chilli - 1 chopped
- Red Chilli - 1 sliced
- Brown Sugar - 1 tablespoon
- Brown Sugar - 1 tsp
- Star Anise - 3
- Lemongrass Stalks - 2
- Lamb Stock - 1L
- Tomato Puree - 1 ½ tbsp
- Sweet Potatoes - 4
- Fish Sauce - 2 tablespoons
- Lime - Juice of 2
- Mint - Handful
- Basil Leaves - Handful
Instructions:
step 1 Heat oven to 160C/140C fan/gas 3. 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. Remove the lamb and add the onions. Fry them quite briskly, about 30 secs, add the ginger, garlic and chopped chilli, then turn the heat down and cook for 1 min. Add 1 tbsp sugar, stir, then add the star anise, lemongrass, stock, purée and seasoning. Bring to the boil. step 2 Cover and cook in the oven for 1½ hrs, then add the sweet potatoes and cook for 1 hr more. The lamb should be completely tender and almost falling off the bones. 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.