Gourmet quality skinless & boneless fillets of sustainably wild-caught North Atlantic mackerel in pure olive oil with real, sliced, hot jalapeño peppers. Extraordinary tenderness, light taste, and moist texture – truly unique. Ready to go and perfect for fish tacos, spicy salads, with baked potatoes, in “tuna-style” casseroles, or right out of the can on a cracker! Always hand-packed. A ready-to-eat, low-carb source of omega-3s and protein. A King Oscar original and the perfect tuna substitute. Gluten-free. Kosher-certified (OU). Certified BPA-NI cans. Special no-mess, easy peel lids.