Buttermilk In Southern Cooking: Uses and Substitutions southernfoodandfun.com Buttermilk is a Southern kitchen staple. Here's how to use it in biscuits, cornbread, and cakes, and easy substitutions for when you run out. submitted by Southern Food and Fun #buttermilkrecipes #southernbuttermilk #southerncookingtradition Entry Permalink Report Post