1 cup heavy cream - room temperature 1/3 cup sour cream -- room temperature 1 Tablespoon confectioner's sugar
One hour before serving, pour the heavy cream into a bowl and whip until soft peaks form. Whisk in the sour cream and sugar; continuing to beat until the mixture is very thick. Place in refrigerator and chill until it is time to serve.
NOTES : If you want to make this ahead of time, it should last 4-6 hours in the refrigerator.