Don't forget your baking powder and don't ice your cake when it's piping hot: we divulge industry secrets that Big Baking don't want you to know about. This week we’re discussing how to bake the cake where the Barbie is in the middle, how bad we want a case full of silicone moulds and fondant icing (soooo bad) and whether Cake Boss is cheating when he uses pieces of wood in his bake (spoiler: yes).