Chill a glass by standing it in the freezer for 15–30 minutes or the fridge for an hour, or — fastest — fill it with ice and water while you make the drink, then tip it out. For a frosted look, wet the outside of the glass first so a layer of frost forms in the freezer.
Method
How
Note
Freezer
Dry glass, 15–30 min
Fastest proper chill; longer for frost
Fridge
About an hour
Gentler, safe for thin or delicate glass
Ice water
Fill with ice + water while you prep, then tip out