Summery and fun, and absolutely delicious. If you need to go shopping for this cocktail, remember you can multiply the ingredients by four to make enough for a pitcher. So when the sun shines, get mixing, take a long sip... and relax!
Glass: Martini
Put all of the ingredients in a shaker with ice and shake vigorously
Strain into a martini glass
Garnish with a slice of passion fruit.