King Oscar exclusively offers smaller North Atlantic mackerel for milder flavor, better texture, and superior quality fillets. They are hand-filleted with care to remove bones and skin and hand-packed in pure olive oil, perfectly seasoned with sliced olives, red bell pepper, garlic, and flavorful herbs of Provence. King Oscar Royal Fillets Mackerel, Mediterranean Style are high in protein and feature heart-healthy omega-3s plus vitamins, and mineralsâperfect for keto, paleo, and Mediterranean diets....