M.V. Trading 52128 Earthen Donabe Casserole Clay Pot With Lid, 6&frac12; Inches Stoneware Chinese Cooking Pot Essential vitamins and nutrients are retained through the enclosed moist cooking environment Oven, stove and microwave safe Clay pots retain heat for an extended period of time. Versatile cooking environment - make stews, soups, casseroles. Season Before Use: Prior to first time use, the tagine needs to be first SUBMERGED IN WATER for at least over night