Ingredients:
2 oz (60 ml) vodka
1 oz (30 ml) coffee liqueur (e.g., Kahlúa)
1 oz (30 ml) freshly brewed espresso, cooled (or 1 oz strong cold brew)
1/2 oz (15 ml) simple syrup (optional, to taste)
Ice
Equipment:
Cocktail shaker
Jigger
Fine strainer (optional)
Martini/cocktail glass
Steps:
Fill a shaker with ice
Add vodka, coffee liqueur, and cooled espresso
Add simple syrup if desired
Shake hard for 15–20 seconds
Strain into a chilled martini glass
Serve immediately