Chinese-style Cod Fillet

WHAT YOU'LL NEED

• 4 cod fillets
• 10 grams Knorr Fish Stock Cube
• 1 tbsp olive oil
• 4 tbsp mirin seasoning
• 1 tbsp, reduced salt soy sauce
• A thumb sized piece of fresh root ginger, peeled and finely chopped
• 1 small red chilli, finely chopped
• zest and juice of 1 lime
• 4 spring onions
• 2 tbsp olive oil, plus extra for oiling foil