We had the giant macaroons at Peter Jones - see blog post dated 12th April - and now we have Macaron Frappes courtesy of Paul.
You may also have seen the Unifine food and bake ingredients flyer in your Caterer magazine publicising their French Macaroon Mix - mix with hot water for 4 minutes and bake for 20 minutes - and all the colourful things you can do with a macaroon!