Thai cucumber salad

Name: Thai cucumber salad
Ingredients: 100g/3½oz green beans, cut into 2–3cm/¾–1¼in pieces; 2 cucumbers, peeled, core removed and sliced into thin strips; 2 medium-large tomatoes, cut in half, seeds removed and thinly sliced; 1 large carrot, peeled and thinly sliced; 1 red onion, thinly sliced; 150g/5½oz cooked prawns; 60g/2¼oz roasted salted peanuts, plus 25g/1oz extra for serving; 7 bird’s-eye chillies; 3 garlic cloves; 1½ tbsp brown sugar; 2 limes, juice only; 3 tbsp fish sauce (see recipe tip)