4 cups fresh blueberries 2 cups cider vinegar 2 cups sugar
Place blueberries in a nonmetallic container. Add the vinegar. Cover tightly and refrigerate for at least three days. Pour the vinegar-marinated blueberries into a sieve over a bowl; press the berries to release all their juice. Discard the solids.
Pour the blueberry-vinegar liquid into a medium saucepan. Add the sugar and boil for 3 minutes, stirring occasionally. Remove from heat and let cool. Pour the sweetened blueberry liquid into a small container and chill.
To make each drink, add 1⁄ cup blueberry con
4 centrate into a medium cocktail glass filled with ice and add 1 cup cold water. To make a pitcher, combine a cup of the shrub with about six cups of water. Add additional simple syrup to taste. Makes about a dozen servings.