7Selecting types of cookware. GEAppliances.caThe following information will help you choose cookware which will give good performance on glass cooktops.Stainless Steel:recommendedAluminum:heavy weight recommendedGood conductivity. Aluminum residuessometimes appear as scratches on thecooktop, but can be removed if cleanedimmediately. Because of its low meltingpoint, thin-weight aluminum should notbe used.Copper Bottom:recommendedCopper may leave residues which canappear as scratches. The residues can beremoved, as long as the cooktop is cleanedimmediately. However, do not let these potsboil dry. Overheated metal can bond to glasscooktops. An overheated copper bottom potwill leave a residue that will permanentlystain the cooktop if not removedimmediately.Porcelain Enamel-Covered Cast Iron:recommendedAs long as the cookware is coveredcompletely with porcelain enamel,this cookware is recommended. Cautionis recommended for cast-iron cookwarethat is not completely covered withsmooth porcelain enamel, as it mayscratch the glass-ceramic cooktop.Glass-Ceramic:usable, but not recommendedPoor performance. May scratch the surface.Stoneware:usable, but not recommendedPoor performance. May scratch the surface.Home Canning Tips:Be sure the canner is centered overthe surface unit.Make sure the canner is flat on the bottom.Use recipes and procedures fromreputable sources. These are availablefrom manufacturers such as Ball® andKerr® and the Department of AgricultureExtension Service.To prevent burns from steam or heat,use caution when canning.Check pans for flat bottoms by usinga straight edge.Pans with rounded, curved, ridged orwarped bottoms are not recommended.Wok CookingWe recommend that you use only a flat-bottomed wok. They are available at yourlocal retail store.Do not use woks that have support rings.Use of these types of woks, with or withoutthe ring in place, can be dangerous.Placing the ring over the surface unit willcause a buildup of heat that will damagethe porcelain cooktop. Do not try to usesuch woks without the ring. You couldbe seriously burned if the wok tips over.Use only flat-bottomed woks.Use medium- or heavy-weight cookware.Aluminum cookware conducts heat fasterthan other metals. Cast-iron and coatedcast-iron cookware are slow to absorb heat,but generally cook evenly at low to mediumheat settings. Steel pans may cook unevenlyif not combined with other metals.For best cooking results, pans should beflat on the bottom. Match the size of thesaucepan to the size of the surface unit.The pan should not extend over the edgeof the surface unit more than 2.5 cm1 inch.Not over 1 inch1?The following information will help you choose cookware which will give good performance on coil cooktops.Surface Cookware TipsSafety Instructions Operating Instructions Care and Cleaning Troubleshooting Tips Consumer Support