Once you learn how to make a buttermilk substitute, you'll be prepared for any recipe that calls for it. It's so simple to do; just have the pure lemon juice and milk on hand. There is nothing to it. Good thing you searched here and did not run out and purchase some.
cup of milk
TBS white vinegar or lemon juice
Place 1 tablespoon of vinegar or lemon juice in a (one cup) measuring cup and then fill with milk. Let it sit for 15 minutes and it’s ready to go.