Abstract: The present invention relates generally to a portable meal preparation assembly which includes a microwave oven unit, a refrigeration or ice chest unit, a container unit for carrying articles necessary for meal preparation, and a power supply unit. Each of the units has the same rectangular dimensions so they are adapted to be stacked one upon the other vertically. A case is provided for removably containing or storing the vertically stacked units and transporting same. The case may be provided with a handle for manually carrying the stacked units or it may be provided with straps for carrying the stacked unit in a backpack manner. A frame is provided which includes generally vertically-oriented sides and an annular flange extending into the hollow interior of the frame and generally perpendicular to the sides.