The fish should be rinsed and dried with paper towels.

Combine the spices in a small bowl, then set it aside.

Cast iron skillets or frying pans should be heated over high heat until they begin to smoke. Make sure the kitchen is well-ventilated.

Mahi Mahi should be coated on both sides with the spice mixture after being tossed in melted butter. To make the spice mixture stick, press.

As soon as possible, sear on high heat for 2-3 minutes on each side, or until the center is cooked to the desired doneness. Avoid overcooking as it will become dry. Steamed rice and lemon slices should be served right away.