I use the scrap pads that come with my pampered chef stoneware. I've seen similar scraping pads in Walmart or Meijer. Here are the pampered chef ones for reference:
http://www.pamperedchef.com/ordering...&outletSubCat=
They are designed to scrap the food off the stoneware since you're not supposed to use soap in stoneware. I've used them on other bakeware, pots & pans, and even my iron skillet.