This kind of sour milk is a secret weapon for baking projects, particularly for those setting out to make morning pancakes.

Add Yahoo as a preferred source to see more of our stories on Google. sour cream in a glass bowl - Milanfoto/Getty Images It's hard to think of a more common staple in the refrigerator than a carton ...

It often happens in warm weather, with even a limited milk supply; some of it turns sour before you can use it. Don’t throw it out, even if there is only a little. Sour milk can be a valuable kitchen ...