Instructions

  1. Combine vinegar, 2 teaspoons sugar, and lemon juice in heavy small saucepan.
  2. Stir over medium heat until sugar dissolves.
  3. Boil until syrup is reduced to scant 1/4 cup, about 3 minutes.
  4. Transfer to small bowl; cool completely.
  5. (Can be made 2 days ahead. Cover and refrigerate.) Combine mascarpone, cream, vanilla, and 2 tablespoons sugar in medium bowl.
  6. Whisk until thick soft peaks form.
  7. Cover and refrigerate up to 4 hours.
  8. Combine berries and remaining 2 tablespoons sugar in large bowl; drizzle with balsamic syrup and toss to blend.
  9. Let stand 30 minutes, stirring occasionally.
  10. Divide berries and syrup among 6 goblets.
  11. Top with mascarpone mixture.