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Cookie Sheets

Think your choice in cookie sheets doesn’t matter? Think again. Most of the ones we tested ruined our cookies.

What We Learned

It’s just a flat piece of metal, so you’d think a cookie sheet couldn’t fail. In fact, we’ve seen them bake unevenly and warp, not to mention let cookies burn, stick, or spread into blobs. Cookie sheets come in many materials, sizes, thicknesses, and finishes, insulated or not, with rims or not. What would the best cookie sheets look like? Our previous favorite, bakes beautifully, b...