– Blanco tequila – Grapefruit juice – Liquid stevia or simple syrup/agave – Club soda – Grapefruit – Salt – Ice
Using a sliced wedge of grapefruit, wet the rim of each glass and dip into salt. Add ice.
In a shaker, add tequila, grapefruit juice, sweetener, and ice. Shake.
Pour into glasses, top the rest with club soda. Stir. Garnish with grapefruit slice.