Rim half a martini glass with Lavender Sugar, then set aside. Vigorously shake lemon juice, Lavender-Rosemary Syrup and gin with ice, then strain into rimmed glass.
Editor's note: To gild the lily, add Edible Cocktail's recipe for Candied Lavender Sprigs.
*Lavender-Rosemary Syrup recipe
*Lavender Sugar Rim recipe
*Candied Lavender Sprigs recipe
These recipes and notes are from a wonderful new book called Edible Cocktails: From Garden to Glass—Seasonal Cocktails with a Fresh Twist by Natalie Bovis, the Liquid Muse, F+W Media, April 2012.