With some nonstick coatings currently under fire from health-watch groups, silicon and other types of nonstick baking sheets are increasingly popular. These alternatives to coated pans vary widely in price and effectiveness, so careful shopping is in order. High-tech materials and innovative construction don’t necessarily translate to perfect cookies.
The Sticking Point
Sticky ingredients make for troublesome baked goods. Chocolate, high-sugar content and candy pieces are typical offenders. Low-fat recipes and a desire to forgo the grease can also cause problems. Ironically, the coatings on some nonstick pans may be worse for your health than the oils they're designed to replace.
Nonstick Coatings
Consumer organizations such as the Environmental Protection Agency and the Environmental Working Group have expressed concerns about the coatings used on some non-stick cookware, specifically polytetrafluoroethylene (PTFE), and a chemical used in the production of PTFE called perfluorooctanic acid (PFOA). While the safety of these substances is an ongoing debate, cautious cooks are either going back to oil and parchment paper or looking for fresh alternatives.
Safer Nonstick
For a nonstick metal sheet pan without the health worries, many manufacturers tout construction that pairs the heat-conducting properties of aluminum with a slick, nonreactive cooking surface such as ceramic, titanium or stainless steel. Some pans include a layer of air between materials to improve heat distribution and improve performance. Whatever the material, opt for heavier, light-colored sheets to ensure more even browning, and watch out for high-tech surfaces that require special care. The proof is in the baking, not a steep price tag.
Silicone
Widely considered safe at oven temperatures, silicone is a proven performer in the nonstick arena, especially when it comes to baking sheets and pan liners. Not even the stickiest of ingredients will adhere to it, metal implements aren’t a problem and it's a breeze to clean. Removable silicone mats allow you to use your old dependable baking sheets, and some brands can be trimmed to fit. Silicon cookware can be pricey, so it pays to shop around. Be wary of bargain items that aren’t 100 percent silicon, since those with fillers might not heat evenly and can pass on an unpleasant smell to food.
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