Place onions and parsley in oil and sauté 3-5 minutes. Add garlic and then the rest of the ingredients except catfish fillets. Cook until the onions are translucent, about 10 minutes. On medium-hot grill place fillets, skin side up, for 3 minutes. Turn and cook 2 minutes more.
Place in aluminum foil "boat" or grill-safe pan on grill and top with sauce. Close top on grill and cook 10 minutes.Servings: