Hoisin sauce

Hoisin sauce (Chinese: 海鲜酱; pinyin: hǎixiānjiàng; literally "seafood sauce"), also called Chinese barbecue sauce is a famous Chinese dipping sauce for dishes including Peking Duck and spring rolls. It is similar to the sweet noodle sauce (甜麵醬) but has the added ingredients of garlic, vinegar, and chiles. Additionally, it tastes less pungent than the sweet noodle sauce.

Hoisin is pronounced hoy-sin.