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Why Do Some Ovens Say No Foil? [Solved]

Heat reflecting off aluminum foil can overcook foods or damage your oven’s heating elements. Lining your gas oven with aluminum foil can block heat, air flow, and produce less than optimal cooking results.

Why does my oven say do not use foil?

Aluminum

Why does my oven say do not use foil?

Aluminum

Oven should never have aluminum foil in it

Do not