Char a grapefruit slice and squeeze the juice. Combine juice, vodka, and rosemary syrup in a shaker with ice. Shake and strain into a glass over ice, top with tonic water. Garnish with a charred grapefruit slice and a sprig of rosemary.
Combine vodka and smoked rosemary syrup in a glass filled with ice, top with tonic water. Stir gently and garnish with an orange twist.
