Ingredients
1 cup fresh or frozen cranberries
1 cup sugar
1 cup white-wine vinegar
1/4 cup plus 2 tablespoons bourbon
2 tablespoons seltzer
Preparation
Combine cranberries, sugar, and vinegar in a pot. Bring to a boil, stirring until sugar is dissolved. Remove from heat; let cool completely. Refrigerate up to 3 weeks.
For each cocktail, fill a rocks glass with ice. Stir in bourbon, seltzer, and 2 tablespoons shrub liquid. Add 1 tablespoon shrub cranberries; serve immediately.