Foam is not just decoration. Done well, it adds aroma at the rim, changes mouthfeel, and can rebalance a drink by softening sharp edges or carrying a top-note flavor into every sip. Done poorly, it collapses fast, tastes “eggy” or bitter, and makes service inconsistent. This guide explains what cocktail foam is, why it forms, the main foam styles used in bars, and how to make foam reliable in real service. It is technique-only and focuses on stability, workflow, and troubles

A Gimlet is deceptively simple. On paper it is just spirit, lime, and sweetness. In practice, small choices decide whether it tastes crisp and vivid or flat, candy-sweet, and clumsy. This guide covers what most “quick recipe” pages skip: the two legitimate Gimlet styles (fresh lime vs lime cordial), reliable ratios for each, when to shake vs stir, how to choose gin, and how to troubleshoot balance fast. It also includes batching notes for service and a short, accurate histor