Step by step recipe:
To prevent this the best solution is to put the aluminum container on a baking sheet before putting in the oven.
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.
Last modified on: February 21th 2011
Your 2 comments or questions on this recipe:
How safe are the lids for aluminium containers one side has cardboard the other aluminium
Comment #1 posted on june 21th 2014 at 19:32 by George.
I don't know, but I use them for the freezer.
Comment #2 posted on june 22th 2014 at 11:23 by jh.