Bison Meatballs with Blueberry Sauce - Blueberries

Ingredients

• 1/4 cup olive oil
• 3/4 cup finely chopped onion
• 1 1/4 pounds ground bison
• 5 garlic cloves, minced
• 1/2 cup fresh breadcrumbs
• 3 tablespoons whole milk
• 1 large egg, beaten
• 2 tablespoons chopped fresh cilantro
• 1 teaspoon Kosher salt
• 1/2 teaspoon pepper
• 1/4 teaspoon ground allspice
• 1 cup steeped Earl Grey tea
• 1/3 cup dried blueberries
• 3 tablespoons sugar
• 1 piece star anise
• 1/8 teaspoon salt
• 1 cup frozen blueberries, thawed
• 1 tablespoon Champagne vinegar