Hoisin sauce
teuk siang, hoisin, tương đen, 海鲜酱
A savory and sweet sauce, marinade or dip, made with soy sauce, bean paste, peanuts or peanut butter, rice wine vinegar, sesame oil, sugar, garlic, used with roast pork, spareribs, stir fry, pho, Peking duck, noodles, meats
Source: Wikipedia