I like to soak mine in a light salt water brine for 12-24hrs before grilling. This helps take away any fishy flavor the fish might have. I like to take minced garlic, and saute it until brown in some butter, then pour the garlic and butter on the fillet and then add your favorite spices. For me that is Mcormics steak seasoning, garlic salt and red pepper. Throw it on the grill skin side down, let it cook until the meat is flaky and the same color all the way through, let