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while the cakes cool. Following the ingredients list above, use a hand-mixer to cream the butter with the vanilla.  Slowly add the powdered sugar.  Add the meringue powder for hold, and then slowly add the milk until your frosting is the desired consistency. 2/4 should be dyed green, ¼ should be white, and ¼ should be dyed blue. If you have time, freeze the cakes before assembling the dinosaur.  This will help manage the crumbly effect that occurs when you frost it.

Summary:
Make Buttercream Icing Separate the frosting into 4 parts. Allow your cakes to cool completely.