Abstract: An apparatus modifies or maintains the temperature of food products and/or other like products. Specifically, the apparatus is a container for holding food products and/or other like products requiring a reduced, increased or maintained temperature, such as a food serving bowl or a container of like configuration, wherein the container includes an outer shell, an inner shell, at least one void between the outer shell and the inner shell, and at least one vessel for containing temperature-increasing or temperature-reducing material, such as fluid, wherein the vessel is shaped to fill the void between the inner and the outer shells.