- ice, as needed
 - 1/2 fluid ounce vanilla-flavored vodka (such as Stoli®)
 - 1/2 fluid ounce key lime juice
 - 1/2 fluid ounce simple syrup
 - 1/2 fluid ounce half-and-half
 
- Put enough ice cubes into a cocktail shaker to be about 3/4 full. Pour vodka, lime juice, simple syrup, and half-and-half over the ice cubes, shake, and strain into a martini glass.