Add lime juice, fish sauce, salt, and sugar and blend. Marinade should be a wet paste. Drain steak, reseving marinade. Lightly salt both sides of steak and BBQ over grill to taste. This dish goes well with Chinese-style orange chicken or fruit salad.
Fish sauce is made from fermented fish.
It smells bad to some people, but it imparts a delicious flavor to foods. There are different types of fish sauce from various SE Asian coutries. For this dish, please make sure to buy Thai fish sauce, not Vietnamese or fish sauce from the Philippines.