Barbecued mackerel with ginger, chilli & lime drizzle

INGREDIENTS

• 3 tbsp extra-virgin olive oil
• 4 small whole mackerel , gutted and cleaned
• 1 large red chilli , deseeded and finely chopped
• 1 small garlic clove , finely chopped
• small knob fresh root ginger , finely chopped
• 2 tsp honey
• finely grated zest and juice of 2 lime
• 1 tsp sesame oil
• 1 tsp Thai fish sauce