The most common Korean word for “ingredient” is 재료 (jaeryo). 「ingredient」는 한국어로 재료.
Learn 재료 free — flashcards, audio and review →「재료」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato