What’s Function Of the Steam Option In Coffee Machine?

What's the function of the steam option in coffee machine?

If you love coffee, you’ve probably noticed the steam wand on your espresso machine. But what does it do? And why is it so important? The steam wand is used to heat milk and create micro foam. Microfoam is a thick, velvety foam that is essential for making espresso-based milk beverages such as macchiatos, cappuccinos, … Read more