2 cups apple cider vinegar
1/2 cup blueberries
1 tablespoon sugar
Slice of orange or lemon
Sprig of mint
In a small stainless steel saucepan over medium heat, warm the vinegar until hot. Add remaining ingredients. Crush the berries with the back of a spoon.
Remove from the heat to cool. Cover and steep in a cool place 2 to 3 days.
Place the pan over medium heat and bring to a simmer. Remove from the heat and strain liquid into a sterilized jar. Discard the solids.
Makes about 16 (2-tablespoon) servings.