Peach and Prosecco Ice

From Bon Appétit [1]

3/4 cup sugar
1/2 cup hot water
1/4 cup orange juice
1 16-ounce bag frozen sliced peaches, thawed, juices reserved
1 bottle plus 1 cup chilled Prosecco or other sparkling white wine

Stir first 3 ingredients in medium bowl until sugar dissolves.
Blend peaches and reserved peach juices in processor until peaches are finely chopped. With machine running, gradually pour in sugar syrup; process until smooth.
Add Prosecco and blend well. Transfer mixture to container.
Cover and freeze until firm, at least 3 hours. Can be made 2 days ahead. Keep frozen.
To serve scoop a generous spoonful into a champagne flute and top with sparkling wine.

Makes about 4 cups.