Earthworm Cake with Caterpillar icing and red hot marshmallow squirters. If you've seen this episode of Max and Ruby, or read the book "Bunny Cakes" by Rosemary Wells, then you can appreciate this cake! This was made as a smash cake for a little guy Max turning 2. It is chocolate cake with green vanilla butter cream and the rest chocolate butter cream. The worms and candies are made from fondant. January, 2009.