Although unintentional, not getting through a gallon of milk before it starts to sour can happen, no matter how rare. It was more common before refrigerators became standard appliances in homes, which ...

A fresh sponge cake topped with white icing, strawberries, and blueberries - Oksana Mizina/Shutterstock Nobody enjoys opening the fridge to find that their milk has gone bad. When milk goes sour, ...