Souffle Castella Sponge Cake zhangcatherineJanuary 19, 2022 135 https://zhangcatherine.com/souffle-castella-cake/The softest and fluffiest wobbly sponge cake. Originating in Taiwan this souffle castella is lightly sweetened with the perfect pillowy texture.Full recipe here: https://zhangcatherine.com/souffle-castella-cake/See the full directions on my site