Huckleberry Shrub

Directions

1. 1
   Place 6 ounces huckleberries (about 1 cup) in a 1-quart. heatproof glass jar. Bring 1 1/2 cups sugar and 1 cup white wine vinegar to a boil in a small saucepan. Remove from heat; stir to dissolve sugar.
2. 2
   Pour over berries and mix with a fork, crushing berries gently to release more flavor. Seal jar and store in a cool dark place 4 days.
3. 3
   Strain shrub through a sieve lined with 3 layers of cheesecloth into a clean jar. Cover and chill, tasting shrub every week or so, until flavor mellows to your liking.
4. 4
   For each drink, combine 3 tablespoons shrub with 1 cup club soda in a glass filled with ice. Taste and add more shrub if you like.
5. 5
   Shrub can be made 6 months ahead. Keep chilled.