I'm sorry, I'm not sure how to make Haitian Oyster Sauce, but I can give you the list of ingredients for Haitian Oyster Sauce. The ingredient list of Haitian Oyster Sauce includes oyster sauce, water, sugar, monosodium glutamate, and other food additives such as hydroxypropyl diastarch phosphate, xanthan gum, disodium 5'-presenting nucleotide, caramel color, citric acid, potassium sorbate, sodium benzoate, and sucralose.