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You should not put an aluminum container directly in the oven

If you put an aluminum container, containing food to be cooked or reheated, in your oven directly on the shelf, the shiny base will reflect a large part of the oven heat (like a mirror). This means that the food will take much longer to cook or heat through than usual.

157,703 64.0/5 for 32 ratings

Last modified on: February 21^th 2011

Step by step recipe

Stage 1 - 1 min.

You should not put an aluminum container directly in the oven : Photo of step #1

To prevent this the best solution is to put the aluminum container on a baking sheet before putting in the oven.

Stage 2

You should not put an aluminum container directly in the oven : Photo of step #2

If you do this, food will cook or reheat as normal.

Remarks

You might have noticed that this is why aluminum containers used for commercially prepared frozen dishes have dull bases.

Source

Home made

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Your 6 comments or questions on this recipe

How safe are the lids for aluminium containers one side has cardboard the other aluminium
Posted by George june 21^th 2014 at 19:32 (n° 1)
I don't know, but I use them for the freezer.
Posted by jh june 22^th 2014 at 11:23 (n° 2)
uhhh, this is completely wrong... this is not how ovens work. "the shiny base will reflect a large part of the oven heat (like a mirror)" Ovens do not use LIGHT to heat food, rather convective heat transfer. A shiny surface will literally have no impact on how your food heats.
Posted by Anonymous january 21^th 2016 at 02:25 (n° 3)
Of course not, oven don't use light to cook/heat, who say that?
But the heat they produce, mostly infra-red, act as light in front of a shiny base of aluminium.
So this is true, sorry for you...
Posted by jh january 21^th 2016 at 11:16 (n° 4)
Would you still be able to if you don't have a sheet pan
Posted by Anonymous july 13^th 2019 at 23:47 (n° 5)
Absolutely.
Posted by jh july 14^th 2019 at 14:33 (n° 6)

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