A coupe is actually more versatile than a martini glass

Most of the glassware in your bar is designed for a specific purpose, often with one additional use. Even wine glasses, while they may seem versatile, are actually tailored for different types of wine, such as red or white. It might come off as overly meticulous, but this attention to detail is important. For instance, the angles of a martini glass ensure that the drink ingredients are well mixed, while its rim is designed to hold garnishes like olives and pearl onions. The coupe glass is said to be less prone to spills compared to the martini glass. Both types feature stems that help keep your drink colder for a longer time by preventing warm hands from making contact.
While a martini glass can also serve drinks like a Manhattan, cosmopolitan, Gibson, or even trendy variations like espresso "martinis," it’s not suitable for Champagne or sparkling white wine. In contrast, the coupe glass can gracefully accommodate all of these beverages. It stands out as one of the more versatile options in your glassware collection. As Leandro DiMonriva from The Educated Barfly mentioned to Chowhound, "This can replace both the martini glass and sour glass, so you won’t need to purchase them separately."
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