Courtesy of Pam McKinstry (SVKitchen.com)
Makes about 1 cup

INGREDIENTS

• 1 cup (240 ml) heavy (whipping) cream (do not use ultra-pasteurized)
• 2 tablespoons (30 ml) reduced fat buttermilk

INSTRUCTIONS

1. Fill and preheat the SousVide Supreme to 95F /35C.
2. Combine the cream and buttermilk in a sterilized pint Mason jar and seal with a lid. There is no need to heat the mixture.
3. Immerse the jar in the water bath and cook 8 to 12 hours.
4. Remove the jar from the water oven and quick-chill submerged in an ice water bath (half ice and half water) to rapidly reduce the temperature.
5. Refrigerate, tightly sealed, up to 3 weeks.