Homemade Sour Cream
2 cups light cream
2 Tbsp buttermilk
Combine cream with buttermilk in hot, clean glass jar with a lid. (Canning jar that has been heating in boiling water, for instance.)
Cover tightly and shake gently to thoroughly mix. Let stand in a warm place − like where you put bread to rise) till thickened (24−48 hours). Store, covered in refrigerator. Stir before serving.
Use within three weeks. Makes two cups.