Setting a skillet directly into an active charcoal bed is the fastest way to hard-sear redfish fillets or blister sweet peppers, but direct wood flame is brutal on cookware. If your pan turns dull gray or leaves flecks of carbon in your butter, your fire was too hot and untamed.
Managing Flame Distance and Coal Beds
Never drop raw iron into white-hot lump charcoal that is actively throwing orange flames. Rake your hardwood coals to one side of the pit, leaving an indirect zone where the heavy iron absorbs steady radiant heat rather than enduring direct torch temperatures that burn off your oil layer.
Micro-Thin Polymerization Over Flame
After washing with hot water, warm the skillet over the indirect embers until bone dry, then wipe a half-teaspoon of high-smoke-point oil across every square inch. Use clean shop rags to buff the skillet until it looks dry; the microscopic sheen left behind is what bonds into durable cast-iron patina under sustained wood heat.
Handling Coastal Citrus and Pan Sauces
Backyard cooks hear constant warnings against cooking with lemon juice or vinegar in cast iron, but a properly seasoned pan shrugs off short pan reductions. Cook hot, plate your seafood immediately, and hit the warm pan with another wipe of oil as soon as the iron cools down enough to handle.