Published by: Gourmet Sleuth Last Updated: 03/28/2018
Refrigerate - Buttermilk stores for weeks after the expiration date and works very well for recipes that call for buttermilk.
Freezing - Place buttermilk in 1/2 to 1 cup freezer containers. Thaw in the refrigerator. The thawed milk is appropriate for cooking but probably not for drinking.
Leftover Buttermilk? Here are Recipes Featuring Buttermilk so you can use up those leftovers.