May 19, 2015 - I purchased my first piece of stoneware 13 years ago and it was the Large Bar Pan from The Pampered Chef. Shop Pampered Chef online for unique, easy-to-use kitchen products that make cooking fun. I have been selling/baking with Pampered Chef stoneware for about 22 yrs. Find all the kitchen accessories you need, including cook's tools, bakeware, stoneware, and … The Pampered Chef products were firstly launched in the humble beginnings in 1980.. Then, the business of Doris Christopher grew fast by offering cooking products with high quality under the name of "Cooking Shows". It is an AWESOME first piece to have. Wash Pampered Chef Stoneware by hand in hot water. There IS a very big difference from one brand of stoneware to another in what works and doesn’t. I mentioned Pampered Chef for a reason, to let you know what brand of stoneware of stoneware that I am talking about. One exception to soap use is on glazed stoneware, the glazed area can be washed using dish soap, but keep the soap out of the interior of the stoneware to preserve the seasoning. Never use any soap on the stoneware or place it in the dishwasher. Here are a few facts and tips: 1. Stoneware is widely used somewhat because it can adapt well with both traditional ovens and microwave.