As an expert, I strongly advise against putting milk in a beer glass. While it may seem like a harmless act, it can actually have negative effects on the beer and the glass itself.
Firstly, beer glasses are specifically designed to enhance the drinking experience of beer. They are often made from specific materials, such as glass or crystal, and have a certain shape that helps retain the aroma and flavors of the beer. When milk is poured into a beer glass, it can leave behind a residue that is difficult to remove, and this residue can affect the taste and smell of the beer.
Additionally, milk is a dairy product that contains fats, proteins, and sugars. When these components come into contact with the glass, they can stick to the surface and create a film or residue. This residue can be challenging to remove, even with thorough washing, and it can impact the quality of future beers poured into the glass.
Furthermore, the residue left by milk can also affect the carbonation of the beer. Beer relies on carbonation to provide its characteristic fizziness and mouthfeel. Any residue left in the glass can disrupt the carbonation process, leading to a flat or less enjoyable beer-drinking experience.
From a hygienic perspective, it is also important to keep beer glasses separate from glasses used for other beverages like milk. Cross-contamination can occur when glasses are not properly cleaned, and this can introduce unwanted flavors or bacteria into the beer.
In my personal experience, I have encountered situations where residue from other beverages, such as milk or juice, has affected the taste and aroma of the beer. Even after thorough cleaning, the residue can linger and taint subsequent pours. This is especially noticeable with delicate beer styles, where any off-flavors or aromas can significantly impact the overall enjoyment of the beer.
To maintain the integrity and quality of your beer, I recommend having separate glasses dedicated solely to beer. This will help avoid any potential cross-contamination and ensure that your beer drinking experience is not compromised.
It is best to avoid putting milk in a beer glass. The residue left by milk can be difficult to remove, affect the taste and aroma of beer, disrupt carbonation, and potentially introduce unwanted flavors or bacteria. By using separate glasses for different beverages, you can preserve the quality of your beer and fully appreciate its unique characteristics.