The question is for food on Yom Kippur, or Gebrokts or Kitnyos on Pesach (for those that do not eat them), are they Muktzeh?
Firstly, I don't think people make food muktza for Yom kippur since they need it for children. (inedibles like raw chicken would be just like shabbos).
As far as food being asur, the Mishna Berura 308:170 quotes "poskim" that an object's muktza status depending on the owner is only when the object is rejected because of its poor quality, but if someone made a neder and the object is now forbidden, he can still move it since it is permitted to others. That should apply to Yom Kippur (Children), Gebrochts (us non-gebrochtsers) and kitnios (sefardim).