[header] How to make bicerin [title] Use irish coffee mugs. [step] Bicerins are best served in clear glasses so that you can see the layers in the drink. As a result, you should use clear glass irish coffee mugs when serving a bicerin. 
[substeps] If you do not own irish coffee mugs, you can also serve the drink in a regular glass or coffee mug. [title] Fill a clear glass with hot water.