In a large pitcher, mix Hibiscus Simple Syrup (recipe below), 2 cups reposado or gold tequila, 1½ cups grapefruit juice, 3/4 cup fresh lime juice, 3/4 cup sweet vermouth, and 3/4 tsp. aromatic bitters. Fill tall glasses with ice. Pour 1/2 cup syrup mixture, then 1/2 cup club soda into each. Stir, and garnish with lime slices. Serves 12
Hibiscus Simple Syrup:
- 1½ cups sugar
- 1½ cups water
- 2 cups dried hibiscus
Combine ingredients in a saucepan, then bring to a boil. Cool, strain, and chill at least an hour. Keep for up to 2 weeks, chilled.