The Big Green Egg – This ceramic beast of a charcoal grill and smoker has become a cultural phenomenon. In fact, some enthusiasts refer to themselves as Eggheads. Here’s a good example of how MasterPieces Cake Art can turn your inspiration into a sweet creation. We created this cake for a Big Green Egg fan who is turning 30. Once this egg hatches, the birthday boy will find layers – 5 to be exact! – of vanilla cake with cream cheese frosting.