In a stand-mixer, combine heavy cream and sour cream and beat on medium speed using the whipping attachment (whisk) until stiff peaks form. Add the sugar in the last few minutes of beating. Yields 1½ cups.
Notes
Recipe compliments of Tea Time At The Inn.
Recipe by Bebe Love Okazu at https://bebeloveokazu.com/2010/06/14/mock-devonshire-cream/