If you find the solids have totally separated and the remaining liquid looks very thin and watery, then the buttermilk has likely spoiled. Just to be sure to give it a full sensorial checkup, too.

The ingredients in this ranch seasoning are: buttermilk solids, onion powder, sea salt, nutritional yeast, garlic powder, dried chives, dried dill, sugar, fermented white pepper, and black pepper.

Rinse the solids in the strainer under cold water in the sink until all the buttermilk is washed out (the water should run clear). Now is the time to add salt or any seasonings (if you want to ...