new bakeware comes with instructions for use and care unfortunately we often discard this label and it s soon forgotten some consumers have had incidents of glass bakeware shattering in the oven or having it placed on the counter to cool did i mention how inexpensive and easy to find they are and how they look good and go with all kinds of dinnerware glass bakeware puts a beautiful crust on your casseroles and makes it easy to check on how well they re browning how many stories have you heard of glass baking dishes exploding into a zillion tiny pieces in the oven leaving cooks with no dinner big messes to clean up and worst of all potential injuries to deal with escape the statistics and follow these tips to keep your glass baking dishes safe and longer avoid temperature changes no going from freezer to oven or from oven to sink do not add liquid to hot glassware no higher heat than 177 c do not place hot bakeware on cold or wet surfaces or countertop stovetop instead place on a towel cutting board or a cooling rack do not use it on the stovetop under a broiler or in a toaster oven it will immediately be subjected to high heat defrost dishes and let hot things cool don t put a frozen lasagna directly into a hot oven without defrosting it allow pans to cool completely before immersing them in water use care when washing do not poke or scratch it with utensils allow the oven to preheat before adding the bakeware don t place it on a cold surface or a wet towel make sure you always put the hot dish on a dry cloth potholder try not to drop it or knock glassware around even if it doesn t break it can develop tiny chips or cracks inside that aren t visible