The Penicillin is an cocktail made with whisky, ginger, honey syrup, and fresh lemon juice. Its name derives from the drug penicillin hinting to the medicinal properties of some of its ingredients. The Penicillin cocktail was created by Sam Ross in the mid-2000s, when he was working at New York City’s famous Milk & Honey bar. Now, the cocktail is served around the world.