Dry-roast shrimp paste over gentle heat until fragrant. Blend shrimp paste, chilli, candlenuts, ginger, garlic, shallots, lime leaves and oil to a smooth paste in a food processor.
Cook paste over gentle heat for 10—15 minutes, or until softened. Add remaining ingredients and bring to the boil. Simmer for 30 minutes until a thick paste has formed and a layer of