Ingredients:
- 1 cup dry Riesling
- 1/2 cup plus 1 tablespoon sugar
- 1/2 vanilla bean, halved lengthwise, seeds scraped
- 1 pound strawberries, hulled and sliced
- 1/2 cup mascarpone cheese
- 1/4 cup heavy cream
- Six 1/2-inch-thick slices of pound cake, each slice cut into 4 triangles