Range top method: In a small saucepan over medium heat, bring jam and liqueur to a boil, stirring occasionally. Stir in blueberries; return to a boil. Remove from heat. Spoon into a bowl. Serve at room temperature or chilled over ice cream, pound cake, cut up fruit, etc.

Microwave method: In a medium microwavable bowl; combine preserves and liqueur. Microwave on HIGH (100% POWER) until mixture liquefies, about 1 minute. Add blueberries, toss to coat. Serve at room temperature or chilled.