MAKES 1 SERVINGS Kosher salt 1 grapefruit wedge ¼ cup fresh grapefruit juice 1 tablespoon fresh lime juice 1 teaspoon sugar ¼ cup mescal or tequila ¼ cup club soda Pour some kosher salt on a plate. Rub half of rim of a highball glass with grapefruit wedge; dip rim of glass in salt. Combine grapefruit juice, lime juice, and sugar in glass; stir until sugar is dissolved. Stir in mescal, add ice, and top off with club soda. Garnish with grapefruit wedge.