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What does lacing on a glass signify?
- Jon C., Philadelphia, PA
First and foremost, your beer has to have head. No bubbles means no cling, so many light lagers simply won’t produce much lacing. Even with a decent head, there is chemistry involved. The basic element in lacing is protein. When you take a sip and foam is left on the side of the glass, the bitter tasting alpha acids in hops can interact with proteins in the beer, linking them together. They trap air when the head dries out, which is why lacing, if left to sit, will harden.
What makes a beer cask conditioned?
