Grapefruit Martini

Directions

1. 1
   Chill a martini glass by filling it with ice. Rub the glass rim with the peel of a grapefruit. Dip in sugar if desired.
2. 2
   In a shaker, combine all drink ingredients. Pour ice from glass into shaker with drink ingredients. Replace lid and shake until chilled. Strain liquid into the cold glass and top with grapefruit peel garnish.
3. 3
   Please note that if the grapefruit is very tart, you can add additional simple syrup to get the desired sweetness.