Cut each sponge cake in half.
Place a bit of frosting onto a serving platter. Add the first layer of sponge cake. Spread evenly up to ⅓ of white chocolate frosting.
Add the second layer of cake.
Spread the cranberry orange jam.
Add the third layer of cake.
Spread evenly up to ⅓ of white chocolate frosting.
Add the last layer of cake.
Top with white chocolate frosting.
Refrigerate the cake for at least 2 hours or even overnight.
Trim the edges of the cake and cut into 8-12 rectangle slices.
Using a 1M tip pipe whipped cream or remaining frosting on top of each slice. Decorate with sugar-coated cranberries or red currants. Enjoy!