White chocolate can be temperamental. Be cautious about overheating it or overbeating because it will curdle. You can use any type of grapes for this dish, but dark blue wine or concord grapes are especially delicious if you can find them.
- 1 bunch grapes, frozen
- 3/4 cup whipping cream
- ¼ cup unsalted butter, cut into pieces
- ½ teaspoon kosher salt
- 8 ounces white chocolate, finely chopped
- 2 tablespoons chopped pistachios
Place grapes in the freezer for at least 2 hours.
Combine cream, butter and salt in a heavy pot over medium heat and bring just to a boil. Remove from heat, add chocolate and stir until melted and uniform. Transfer to a bowl and refrigerate for about 4 hours, or until chocolate has set and mixture has thickened.
Beat with an electric mixer for about 30 seconds, or until soft peaks form.
Spoon mousse into glass dishes and top with frozen grapes and pistachios. Serves 4.