Clean fish in a mixture of vinegar and water. Season fish with jerk seasoning, onion, escallion, thyme, black pepper and hot pepper sauce. Cover and put to marinate for about 15 minutes.
Hold green banana leaf over a flame and allow to wilt for about 30 seconds. Place the seasoned fish on the wilted banana leaf. Spoon on the Grace Coconut Milk and the margarine.
Fold on the long side to form an envelope, then fold the two ends under to seal. The pouch may be left as is, or it may be tied with a string. Place in a roasting pan and put to bake in a pre-heated oven 180°C (350°F) for 20 - 25 minutes.
To Serve: Serve with Turn Cornmeal and sauteed carrots, chocho and onion.
Method Note: Aluminium foil may be substituted for the banana leaf.