1 16-ounce package frozen blueberries, thawed and drained
1 tablespoon fresh lemon juice
Combine apple juice, sugar, and cornstarch in a saucepan,stir Add boiling water, and cook over medium heat, stirring constantly, until mixture comes to a full boil. Stir in blueberries and lemon juice. Reduce heat and simmer for 3 minutes, stirring constantly.