Abstract: A heating utensil for microwave heating comprising a first microwave-reflective body with an obverse surface which limits the depth of penetration of mirowave energy into an oven load when said load is located thereon and with a reverse surface to said obverse surface which mates with a second microwave-reflective body to form a microwave shielded by-product collection chamber, microwave-non-permeable, liquid-permeable connecting means between said obverse surface and said reverse surface and where said utensil can include a microwave-permeable means for said obverse surface to form a baking chamber and where said utensil can include a heat-insulating outer container.