Catching mackerel and barbecuing on the beach with family, friends and a good bottle of wine is one of those little joys in life that holds so many memories. This recipe was developed out of necessity when cooking tools were limited and nature came up with the answer! —
Start by gutting and cleaning the mackerel; you can always ask your fishmonger to do this for you. Get a barbecue nice and hot.
Lay the sea lettuce in sheets on a plate and place the prepared mackerel on top. Sprinkle with a small amount of Cornish sea salt and wrap the lettuce around each fish individually.
Cut the lemon in half and place both halves flat side down on top of yo