Preparation Toss berries, sugar, and salt in large bowl. Let stand until juicy, about 30 minutes. Puree mixture in batches in blender. Press through fine strainer into medium bowl. Mix cream and lemon juice into puree. Process in ice cream maker according to manufacturer's instructions. Transfer to container; cover and freeze until firm, at least 3 hours and up to 2 days. Place 1 scoop sorbato in each of 8 glasses. Fill each glass with Prosecco (sorbato will float to top).
Preparation Toss berries, sugar, and salt in large bowl. Let stand until juicy, about 30 minutes. Puree mixture in batches in blender. Press through fine strainer into medium bowl. Mix cream and lemon juice into puree. Process in ice cream maker according to manufacturer's instructions. Transfer to container; cover and freeze until firm, at least 3 hours and up to 2 days. Place 1 scoop sorbato in each of 8 glasses. Fill each glass with Prosecco (sorbato will float to top).