My Mischievous Fiancée(2021)

Original title: แม่ครัวคนใหม่

Lomdao is supposed to marry Param, but she refuses, since she’s never met him and doesn’t know what he’s like. So she disguises herself as Fai Dam, Param’s family’s new cook. Param soon becomes suspicious of her and It’s just a matter of time before he discovers she’s his fiancée. Slowly, the two fall in love.