Italian Macaroons vs. French Macaroons - what's the difference?

Italian Macaroons vs. French Macaroons - what's the difference?
The often colourful sandwich, filled with a ganache is the French Macaroon or Macaron.  Italian macaroons also known as Amaretti, share the same base ingredients...ground blanched almonds, egg whites & sugar.  Biggest difference is the texture.  The French macaron is pillowy and slightly crunchy, whereas the Amaretti, when made true...