The Best Cocktail Ice Molds and Why They Matter
2025-02-02 · 7 min read
Ice is the most overlooked ingredient in cocktails, and it should not be. A standard ice cube tray produces small, fast-melting cubes that dilute your drink into a watery shadow of itself within five minutes. A large, slow-melting ice cube or sphere keeps your drink cold while maintaining its integrity. The math is simple: less surface area relative to volume means slower dilution. Bigger ice is better ice.
The Tovolo King Cube tray makes two-inch square cubes and costs about twelve dollars. It is the most recommended cocktail ice mold by bartenders and cocktail writers because it fits in a rocks glass, melts slowly, and looks clean. For Old Fashioneds, Negronis, and any spirit served on the rocks, a single king cube is the standard. Fill the mold with filtered water and freeze for at least six hours.
Sphere molds produce a round ice ball that melts even slower than a cube because the sphere has the lowest possible surface-area-to-volume ratio. The Wintersmiths Ice Baller, at around eighty dollars, is the premium option, producing perfectly clear spheres by using directional freezing. Cheaper silicone sphere molds from brands like Glacio cost about ten dollars and work well, though the ice may be cloudy.
Clear ice is not just aesthetic. Cloudy ice is caused by trapped air and impurities, which make it more brittle and faster to melt. Clear ice is denser and melts more slowly. You can make clear ice at home using an insulated cooler. Fill a small cooler with water, leave the lid off, and place it in the freezer. The ice freezes from the top down, pushing impurities to the bottom. After 24 hours, remove the block and cut it into cubes.
For highballs, Collins glasses, and tiki drinks, consider using long, rectangular ice spears that fit the narrow glasses. True Cubes and other brands make spear molds specifically designed for this purpose. The spear chills the entire height of the drink and melts slowly. Japanese bartenders have been using hand-carved ice spears for decades. A mold gets you most of the way there without the knife skills.
