Let's set up a hypothetical situation here: It's cold out, and you break out the slow ... glass lids from rattling or shattering, or that it equalized the pressure between the inside of the pot ...
Who doesn't like push-button cooking? If you've bought a brand-new slow cooker, it may come with a glass lid that can be secured to the top of the cooker via latches on the side. It may look like ...