Chocolate Sponge Cake with Vanilla Buttercream and Strawberry Wreath

This cake has a very pretty and appetizing appearance, making it is a great choice to present whole in a showcase or as part of a buffet. The top layer of cake has a smaller diameter than the base, creating a riser something like the top of a wedding cake; however, in this case, it is not as tall. The elevated center is decorated with stripes of dark cocoa powder, and the empty space surrounding the top tier is filled in with a ring of strawberry halves arranged cut-side up. The strawberry