Since it came on the scene in 1915, Pyrex was designed to be oven-safe. These glass vessels, which range from casserole ...

Turns out, not all Pyrex is created equal, and the older stuff is better than newer-made products for an important reason.

Follow these easy guidelines and Pyrex will be a long-lasting and safe staple in your kitchen for years to come. Always avoid sudden drastic changes in temperature. Don’t pour boiling liquid into it.