Katta Sambol

• 100 g (3½ oz) Maldive fish
• 3 tbsp chilli flakes

Put the Maldive fish, chilli flakes, lime juice and salt into a pestle and mortar or food processor. Pound or blitz until the ingredients are roughly combined.

Add the onions and gently pound or blitz them into the mix until you have a coarse paste. Taste for salt and lime and serve.