I also bought some Muffin pans. I have some metal ones made in China. :( ... Also have an allergy to metal now, for both those reasons I decided to replace them.
The Stoneware MP's are very high quality, just like the bowls.
It is very nice to have the option for buying goods in the USA that you know are safe to use and very high quality.
If you are interested in looking at Bennington Potters, please check out this link..