1 oz Sauza Hornitos Plata Tequila
5 oz Jarritos Grapefruit Soda OR 2 oz freshly squeezed grapefruit juice, 2 oz club soda and 1 oz simple syrup*
Grapefruit wedge and sprig of rosemary, for garnish
Pour tequila into an ice-filled Collins glass. Top with soda. Stir to mix. Garnish with grapefruit wedge and sprig of rosemary.