The combination of espresso, lemon, and milk is considered a classic flavor profile. In many coffee shops, when you order an espresso you automatically get a lemon zest twist with it. The flavor of the lemon enhances the bitterness of the espresso even further but in a pleasant way, and the milk helps cut down the bitterness and adds richness to the dessert, smoothing out the bitter flavors.
© 2012 All rights reserved. Published by Wiley.