Homemade Sour Cream - cooking recipe

Ingredients

2 cups light cream (half-and-half)
2 tablespoons buttermilk

Preparation

Combine cream with buttermilk in hot, clean glass jar with screw lid.
(A canning jar that has been heated in boiling water works well.) Cover tightly and shake gently to thoroughly mix the buttermilk and the cream.
Let stand in a warm place (similar to where you would place bread to rise) till thickened-24 to 48 hours.
Store, cover, in refrigerator.
Stir before using.
Use within 3 weeks.