Ocean's Wild Sweet Smoked Mackerel Fillets are smoked for hours over Beechwood chips, imparting a deep and savory flavor. After cooking, they are finished in oil and seasonings. The best hot smoked fish in a convenient tin, ready to accompany you on your next flavor adventure. Sweet Smoked- Sweet Cured Hot Smoked Mackerel (Mackerel, Demerara Sugar, Salt), Sunflower Oil. Contains: Fish (Mackerel).