In cocktail shaker add grapefruit juice, tequila, simple syrup, and elderflower liqueur. Add ice and shake.
Strain into glasses filled with ice. Top with club soda.
Notes
The most popular elderflower liqueur is St.Germain and can be found in a variety of liquor stores.
Garnish the glass with a bit of grapefruit for an added tartness.
Perfect Pairing
Serve these cocktails alongside this Mexican Street Corn.
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