The business prospered, and after Taiwan became a Japanese colony, second-generation head of the family business Kuo Pa-chiu switched to a brick oven and started making Japanese-style treats such as breads stuffed with red bean paste, which were becoming increasingly popular with ordinary Taiwanese.
日據時代，日本風味的紅豆麵包成為台灣百姓喜愛的糕點，第二代的郭拔秋開始以磚窯烤餅。