Abstract: A self heating container for heating a comestible item; said container being substantially recyclable, said container comprising a first chamber having one frangible wall, a second chamber, said first and second chambers being matingly attached to each other adjacent the frangible wall, said first chamber having a predetermined amount of water contained therein and said second chamber having a predetermined amount of substantially anhydrous calcium chloride contained therein; a cutting device proximate said frangible wall; to cut said frangible wall to allow contacting of the water with the substantially anhydrous calcium chloride resulting in an exothermic reaction;said second chamber further comprising at least one comestible receptacle receiving area;said first chamber and said second chamber being totally sealed from contact with said comestible receptacle, whereupon after use of said self heating container, said first and second chambers and said comestible receptacle are detachable and available for rec