: The Food Network
has had their fill of "Ace of Cakes
" -- TMZ has learned the show will be canceled after this upcoming season. A rep for the Food Network tells us, "All good things must come to an end, and the final season of Ace of Cakes will begin on-air in January." As for Duff
-- the star baker -- we're told Food Network is "currently in the process of developing new show concepts for him."