Have you realized the difference in taste between milk and yogurt? Maybe a little sourness in yogurt? Well, that is because yogurt is made out of milk through the help of bacteria. Yes, bacteria — but ...

FILE - This July 11, 2018, file photo shows yogurt on display at a grocery store in River Ridge, La. Despite shelves full of new varieties, from Icelandic to Australian to coconut-based, U.S. yogurt ...

Q: I have a recipe that calls for buttermilk. Can I use sour milk instead, or kefir? If so, how do I sour milk? — Lyn Lombard Palka, Columbus, Ohio A: Sour milk or kefir can be substituted for ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Q: I have a recipe that calls for buttermilk. Can I use sour milk instead, or kefir? If so, how do I sour milk? A: Sour milk or kefir can be substituted for buttermilk. For kefir, substitute it cup ...