Frothing or Steaming Milk
To make the perfect Cappuccino or Latte, you need to make an Espresso first....
Then you need to steam your milk, this is one of those things that some customers find easy, and others just can't seem to get it right.
I have found that one day it just 'clicks' and you think you yourself why could I not do that before?
I found this You Tube video, which is about the best around (until we do our own)