How Long to Cook Crispy-Skin Salmon Fillet (6 oz Skin-On) in the cast iron
Specification: 6 oz skin-on salmon fillet, skin scaled and scraped bone-dry, placed skin-side down in preheated oil
3-Step Execution Protocol
Heat cast iron skillet over 400°F (204°C) until lightly smoking. Prepare crispy-skin salmon fillet (6 oz skin-on) (6 oz skin-on salmon fillet, skin scaled and scraped bone-dry, placed skin-side down in preheated oil).
Cook for 7–9 mins. Flip at the 6-minute mark for even browning.
Glass-brittle crispy skin that taps rigidly with a fork, translucent center turning opaque. Confirm internal temperature reaches 145°F (63°C) internal (or 125°F for medium-rare). Rest for 3 minutes before serving.
USDA FSIS 145°F Safe Minimum Seafood Temp; Serious Eats Crispy Skin Salmon Guide.