This recipe features cured Cornish mackerel served with 'nduja, cucumber, and crispy pork skin. The mackerel is cured in a flavorful mixture of salt, sugar, and spices, resulting in a delicate and tender texture. The 'nduja, a spicy spreadable salami, adds a punch of heat and richness to the dish. The refreshing cucumber provides a cool contrast, while the crispy pork skin adds a delightful crunch. This dish is a perfect balance of flavors and textures, making it a standout appetizer or light main course.