Ingredients: 1 pint heavy cream 2-3 tablespoons cultured buttermilk Instructions Gently stir the heavy cream and buttermilk together and leave in a warm spot (about 70-75F) for 12-24 hours, or until thickened. Refrigerate for 24 hours before using, and keep refrigerated from there on out. Use within a week or two.  To make your crème…