Prepare the rosemary simple syrup by heating the water and sugar in a saucepan over high heat. Once sugar dissolves add rosemary and turn off heat. Cover and let rosemary infuse for 15 minutes. Strain the syrup and let cook completely.
In a pitcher filled with ice combine the gin, grapefruit juice, and simple syrup. Stir and top with club soda.
Notes
Garnish your cups with sprigs of rosemary and a wedge of grapefruit.
Make a double batch of the rosemary simple syrup to serve with other drinks.
Perfect Pairing
Serve this Grapefruit and Rosemary Gin Cocktail with Smothered Pork Chops.
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