Last evening I was cooking one of those Marie Callenders beef pot pies in the microwave for 10 minutes. It had about 1 min left when I heard this bang from the kitchen. Walked in there, look around saw nothing. The microwave dinged so I open the door for dinner and found the Corelle dish had shattered into a bunch of sharp shards and pieces. Did a Google search and found this has been reported by others. Heads up on these.