Creme Fraiche - cooking recipe

Ingredients

1 pt. heavy cream
5 Tbsp. buttermilk

Preparation

Shake heavy cream and buttermilk vigorously for one minute in a screw-top jar.
Let stand at room temperature for five or six hours, until cream is thickened to a thick rich texture between sweet and sour cream.
Refrigerate.
Will keep several days.
A wonderful topping.