With all the ready-made tubes of colored decorating icing and gel available in the grocery store’s birthday cakes section, you’d think it would be fast and easy to decorate a birthday cake yourself.  But what happens if you can’t draw? It may be a great intention to make a frugal birthday or baby shower cake at home, that is- if the horses and flowers you draw on top of the cake really look like horses and flowers. Mine look like “The Scream” from the famous Edvard Munch painting. Not a pretty sight! You want an inexpensive cake that agrees with your grocery budget, but that doesn’t look like your school-aged…