''Kinou Nani Tabeta?'' (''What Did You Eat Yesterday?'') is an ongoing manga by Fumi Yoshinaga, currently serialized in {{seinen}} magazine Morning. It revolves around a lawyer, Kakei Shirou, and his boyfriend, Yabuki Kenji, a hairdresser. The manga focuses on them living their daily lives and cooking hearty meals.

Compare and contrast to ''Manga/AntiqueBakery''.

!!This {{manga}} contains examples of:

* AlwaysCamp: Kenji.
* FoodPorn: Lots and ''lots'' of it.
* SliceOfLife
* SorryImGay: Happens when Kenji gets hit on by a female customer.
* StraightGay: Kakei
* SupremeChef: Kakei, again.