Butterscotch sponge cake is a light and fluffy dessert with a rich butterscotch flavor. The cake is made with a combination of butter, brown sugar, and vanilla extract, giving it a sweet and caramel-like taste. It is perfect for any occasion and can be enjoyed on its own or with a dollop of whipped cream. This cake is sure to satisfy your sweet tooth and impress your guests with its delicious flavor and soft texture.