With whipped cream layers and strawberry topping, ... “This Japanese strawberry sponge cake is amazing and only $18.69!,” pictures of the cake were captioned on Instagram.

1. In a heavy-bottomed saucepan, whisk the sugar, cocoa powder, cornstarch, and salt to blend them. 2. Whisk in the milk. Bring the mixture to a boil over medium-high heat, stirring constantly.

"This Japanese 🇯🇵 strawberry sponge cake is amazing and only $18.69!," pictures of the cake were captioned on Instagram. "It's not too sweet and the whipped cream frosting and soft sponge ...