Slice vanilla bean and scrape seeds into milk.
Heat milk in a saucepan over medium heat until warm.
Froth the milk until light and airy.
Brew espresso using your machine or strong coffee method.
Pour milk into a glass, filling halfway.
Add espresso slowly to create a layered effect.
Spoon foam on top for a creamy finish.
Add vanilla syrup if extra sweetness feels necessary.
Serve immediately and enjoy warm or iced.