Final Words. While it’s perfectly safe to put aluminum foil in the oven, you should always avoid coating the bottom of the oven with foil. Also, try using an alternative when cooking acidic foods (such as parchment paper). It’s best to be on the safer side, rather than spend hours cleaning afterwards.
Is it safe to cook on aluminum foil in the oven? Don’t line the bottom of your oven with it. Even the folks at Reynolds Wrap say it’s a bad idea: “To avoid possible heat damage to your oven, we do not recommend using aluminum foil to line the bottom of your oven.” Instead, Reynolds says to use a piece of their Heavy Duty foil on the rack below whatever you’re baking.
Is aluminum foil toxic when heated? The dangers of cooking with aluminum foil occur when it is heated to high temperatures. The heating process causes aluminum leaching which contaminates food. There are a number of factors that cause leaching of aluminum into food.
What temperature is aluminum foil safe to? Aluminum foil is highly resistant to heat and can withstand temperatures up to 1,220 degrees Fahrenheit.