How to Make Sour Cream
- 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.