Cocktail of the Week: Grapefruit Martini

Here's a slightly fruity, but definitely high-octane, cocktail for a summer night.

Cheers.

Grapefruit-Vodka Cocktail
Makes one cocktail.

2 ounces vodka
2 ounces grapefruit juice (preferably freshly squeezed)
1/2 ounce Cointreau (or another orange liqueur)
Splash simple syrup, if desired.

Combine all ingredients in an ice-filled shaker. Shake vigorously and strain into a chilled cocktail glass.