Servings: 4

1/2 red onion, finely chopped ½ red onion, finely chopped
1/3 cup apple cider vinegar ⅓ cup apple cider vinegar
1/3 cup sugar ⅓ cup sugar
1/3 cup golden raisins ⅓ cup golden raisins
1 tablespoon finely grated fresh ginger 1 tablespoon finely grated fresh ginger
Kosher salt Kosher salt
2 cups fresh blueberries 2 cups fresh blueberries

Combine the red onion, vinegar, sugar, raisins, ginger and ½ teaspoon salt in a saucepan over medium heat, stirring to dissolve the sugar.
Add the blueberries, return to a simmer and cook until syrupy, 10 to 12 minutes.