Cake: chocolate fudge
Frosting: caramel
To get Princess' fabulous "bump" I took 2 paper plates and cut out the general shape. Then I hot glued them together with 2 1/2 skewers glued inside. Make sure to keep the waxie side of the plates are facing out so the frosting won't soak into the plate. Coat the bump in frosting on both sides and stick into the cake as far as you can without damaging the bump. Then continue freezing till both are frozen. Freezing the bump made it a whole lot easier to insert all the way into the cake.