Season kefir (or yogurt) to taste by slowly whisking in homemade herb seasoning salt (or Herbamare).
Then, in salty water, boil (or roast) 12 medium potatoes until soft. I don't bother skinning them. The skin scrapes off easily when cooked if desired.
Probiotic Potato Salad https://traditionalcookingschool.com/food-preparation/probiotic-potato-salad/?utm_campaign=autoblog&utm_source=blog&utm_medium=bloglink&utm_content=Probiotic+Potato+Salad