...was produced for my elder daughter's 18th birthday recently by the 16 year old daughter. I had no hand in it, except to very unhelpfully reflect that cake decorating was much harder than it looks. I genuinely gasped with impressed surprise when I saw this:
The rocks are made of marshmallow rice crispy cake covered with icing, and the rest is carved madeira cake iced and decorated with black icing pen. The Hogwarts 18th Birthday cake has gone down in family history and now in BlogLand! Well done Amy.