1ouncegrapefruit sodarecommended: San Pellegrino Pompelmo
3/4ounceclub soda
3/4ouncesparkling wine
2sprigs fresh rosemary
1grapefruit slicefor garnish
Instructions
In a cocktail shaker, lightly muddle 1 sprig of rosemary with the Aperol 5 times. Do not over-muddle rosemary. Fill cocktail shaker with ice. Add bourbon and grapefruit soda. Shake well, then pour, strained, into highball glass.
Top with club soda and sparkling wine, garnish with grapefruit slice and 2nd rosemary sprig, and serve. (Add more grapefruit soda if you like it sweeter)