Vietnamese lamb shanks with sweet potatoes

必备原料和工具

• 2 tablespoons Ground Nut Oil
• 4 Lamb Shanks
• 2 Onion
• 2 tbs chopped Ginger
• 3 sliced thinly Garlic Clove
• 1 chopped Red Chilli
• 1 sliced Red Chilli
• 1 tablespoon Brown Sugar
• 1 tsp Brown Sugar
• 3 Star Anise
• 2 Lemongrass Stalks
• 1L Lamb Stock
• 1 ½ tbsp Tomato Puree
• 4 Sweet Potatoes
• 2 tablespoons Fish Sauce
• Juice of 2 Lime
• Handful Mint
• Handful Basil Leaves

操作

1. step 1
2. 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,
3. step 2
4. 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.