Источник: кулинарный блокнот KK
1 cup sugar
1 cup cold sour cream
1 cup cold heavy cream
3 tablespoons fresh lemon juice
1/2 teaspoon very finely grated lemon zest
1/2 teaspoon vanilla extract
In the cold bowl, beat the cream cheese at medium speed until soft and smooth. Gradually add the sugar 1/4 cup at a time beating well after each addition. Beat in the sour cream and the cream. Add the lemon juice, lemon zest, and vanilla and beat just until thick and smooth. Cover and refrigerate until very cold (2 to 3 hours). Wash and re-chill the beaters.
Using the chilled beaters and gradually increasing the mixer speed from low to medium, beat the mixture until creamy, about 2 minutes. Pour into ice cream maker and process according to manufacturer\'s instructions. Transfer to an airtight container and freeze until ready to serve.