Deluxe Cake Suzuya Co., Ltd. The 'Deluxe Cake' made by Suzuya, cherished for nearly a century in Tanabe, Wakayama, consists of a moist, rich castella cake, homemade white bean jam, and is encased in white chocolate. This heirloom confection quietly embodies the passage of time and the memories of the local people. In the moment of unwrapping the silver foil, a subtle yet unmistakable luxury emerges.