If you're going to make a customised birthday ... Kit Kat with a cake in it is most luxe Kit Kat you'll ever eat Morris sent the idea to her friend Becky Allsop, who designs cakes as a hobby.

and it was an instant hit with both kids and adults. The layers of golden Oreo crust, creamy cheesecake filling, birthday cake pudding, and whipped topping come together perfectly in each bite.