A cooling apparatus includes an inner beverage container for containing a food product and having a rim and a side wall and a base dome, and an outer shell container having an open rim and a side wall and a base dome, where the inner beverage container is snugly fitted into the open rim of the outer shell container and a common lid on the container rims, and the inner beverage container is shorter than the outer shell container defining a dry gas chamber between the container base domes containing a dry gas and a cooling structure, and where the diameters of the inner beverage container is less than that of the outer shell container leaving a radial space between the container cylindrical walls defining a humidification liquid chamber containing a humidification liquid, and a deformable barrier between the dry gas chamber and the humidification liquid chamber.