Using an espresso machine, make 2 shots of espresso; transfer to a mug.
Add milk to small frothing pitcher. Insert frothing wand into milk, just below the surface of the milk. Heat and froth milk until it's nearly doubled in size.
Lower frothing wand further into milk and angle towards side of pitcher. Froth milk so it spins in a vortex-like motion. Froth and heat until milk is about 150ºF and forth is thick.
Tap milk pitcher on counter to release any large air bubbles. Slowly pour into mug over espresso, making sure to get all of the foam.
If you do not have a frother, you can also use a hand-held frother.