A streamer in the Past is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Wukyung is a famous Korean streamer: she eats extra spicy food live and her fans go crazy when they see her. But she not only enjoys eating, but she is also an excellent chef. One day she, without knowing how, she appears in the old Joseon era, in the body of an orphan girl who had died. And the only thing she has of hers from her own time is a pearl her mother gave her! Wukyung will have to resort to what she knows of Korean history and her cooking skills to survive in the past.