Grilled Angel Food Cake with Peppered Berries and Vanilla Cream Recipe

Ingredients

• 1/2 cup heavy cream
• 1/3 cup plus
• 2 tablespoons sugar, divided
• 1 1/2 teaspoons vanilla extract
• 1/2 cup mascarpone cheese
• 1 tablespoon cornstarch
• 1/2 cup water
• 1 tablespoon balsamic vinegar
• 1 cup blueberries
• 1 cup raspberries
• 1/4 teaspoon coursly ground black pepper
• 6 slices angel food cake (1 1/2-inch thick)