Raymond Blanc cooks grilled mackerel with soy lime dressing on Raymond Blanc Kitchen Secrets.

Raymond says: “Fresh grilled mackerel is a fantastic summer supper. Here soy and lime marinade cuts through the richness of the fish.”

The ingredients for the mackerel are: 250ml cider vinegar, or white wine vinegar, 250ml water, 5-6 pieces coriander stalks, 40g caster sugar, 35g red onion, finely sliced, ½ tsp whole pink peppercorns, 3-4 lemon slices, 2 whole mackerel, filleted, and 1 tbsp oil.

For the soy and lime dressing: 1 tbsp soy sauce, 1 tbsp water, 1 lime, juice only, 1 tsp fresh root ginger and ½ tsp dark muscovado sugar.

For the fennel salad: 1 tsp fennel seeds, soaked in water for 2 hours, drained and toasted in a dry pan, 1 fennel bulb, finely sliced on a mandoline, slices soaked in ice-cold water for 20 minutes, 1 tbsp olive oil, ½ lime, juice only, 1 bunch rocket leaves, 2 pinches sea salt and 1 pinch cayenne pepper.