Zebra cakes and Christmas tree cakes are not the same, although they share some similarities. Zebra cakes have a cake layer with a layer of chocolate on top, while Christmas tree cakes have a layer of chocolate cake with a layer of white icing. Zebra cakes typically have a more chocolatey flavor, while Christmas tree cakes are a bit sweeter. They also have different shapes, with zebra cakes being rectangular and Christmas tree cakes being triangular.