Β½ tsp chilli flakes
1 tbsp chopped fresh coriander
1 garlic clove, chopped
2.5cm/1in piece root ginger, peeled and chopped
1 lime, quartered
1 pak choi, leaves separated
ΒΌ red pepper, seeds removed, chopped
85g/3oz cooked udon noodles
1 tbsp honey
1 tbsp olive oil
1 tsp soy sauce
2 raw tiger prawns, shells removed, deveined