ITT /a/ for /ck/
Anime & Manga in which food plays at least some important role
Yakitate! Japan features bakers
Blood+ features a girl with a large appetite whose father owns a restaurant
Addicted to Curry features a cook who opens his own curry restaurant
Kamen no Maid Guy and Kateikyoshi Hitman Reborn feature chemical weaponry made on a kitchen.
Ooo I like the sounds of that!
There's the 100-power curry in one of the early episodes of Utena that manages to swap her and Anthy's bodies.