salmon fillets with skin on one side

Salmon fillets are boneless cuts of the Salmonidae family fish (genus Salmo, Oncorhynchus, or related genera), comprising a single side of the fish's flesh with the skin attached on one surface. Salmon flesh ranges from pale pink to deep orange-red depending on the species, diet, and whether the fish is wild-caught or farmed. The color derives from astaxanthin, a carotenoid pigment. The flesh has a moderate fat content (15-25% depending on species and season), a firm yet tender texture, and a characteristic mild to moderately strong oceanic flavor. Common species include Atlantic salmon (Salmo salar), Chinook/King salmon (Oncorhynchus tshawytscha), Coho/Silver salmon (O. kisutch), and Sockeye/Red salmon (O. nerka). The skin, when preserved in the fillet cut, provides structural integrity and can be rendered or crisped during cooking.

Salmon fillets with skin are among the most versatile seafood preparations. The skin-on format is preferred by many chefs because it protects the delicate flesh during cooking, renders to a crispy, flavorful exterior, and provides visual appeal in plated presentations. This cut is used across diverse cuisines: pan-seared skin-side down (Scandinavian, French, and American preparations), baked en papillote or roasted (Mediterranean), grilled over high heat (Japanese yakimono), cured as gravlax or smoked (Northern European), and poached gently for delicate dishes. The skin can be removed after cooking or left attached depending on preference and tradition. Salmon fillets suit both simple preparations highlighting their natural flavor and complex preparations with sauces, glazes, or aromatics.