A refrigerator cabinet including a plurality of U-shaped shelves is provided. Each of the plurality of U-shaped shelves includes left, right and back portions located in a horizontal fashion with one shelf above another. A mounting structure is provided for supporting the U-shaped shelves; and a removable shelf is located within one or more of the U-shaped shelves. In addition, a tuck shelf is mounted in at least one of the plurality of U-shaped shelves, the tuck shelf being disposed either against at least a back portion of the at least one U-shaped shelf or between the removable shelf and a portion of the at least one U-shaped shelf that is closest to a user of the refrigerator.