Cook's Illustrated Magic Vanilla Ice Cream

Ingredients

• 12 cup sweetened condensed milk
• 1 ounce white chocolate
• 1 tablespoon vanilla extract
• 1 pinch salt
• 14 cup sour cream
• 1 14 cups heavy cream
• . chilled

Instructions

1. Microwave sweetened condensed milk and white chocolate in large bowl until chocolate melts, stirring halfway, about 30 seconds.
2. Let cool.
3. Stir in vanilla, salt, and sour cream.
4. With electric mixer on medium-high speed, whip heavy cream to soft peaks, about 2 minutes.
5. Whisk one-third of whipped cream into white chocolate mixture.
6. Fold remaining whipped cream into white chocolate mixture until incorporated.
7. Place in airtight container and freeze until firm, at least 6 hours or up to 2 weeks.
8. Serve.