My sister-in-law was having a Mario Bros themed baby shower and wanted a red velvet Mario cake. This is what I came up with. I did all the fondant pieces the day before, and the tube on top is made from rice crispy treats covered in green fondant. I made the mistake of using a whip cream based filling, and you can tell that as the room got hotter and hotter, the cake started to collapse a bit. Note to self…