Stainless Steel in the Fridge According to AZ Central, however, food stored in stainless steel cookware goes bad faster than food stored in more airtight containers. To protect yourself from food spoilage, always seal the top of your cookware tightly with plastic wrap or aluminum foil before placing the lid on the pot.Click to see full answer. Similarly, is it OK to store food in metal containers in the fridge?Aluminum and copper are generally not great for storing foods, as any contact with acids will cause discoloration and leeching, if foods are left too long in those metals. If you just made a soup in a stainless steel pot, you can usually store the leftovers in the pot in the fridge once it’s cooled.Also, is it safe to store food in stainless steel containers? Stainless steel doesn’t absorb bacteria nor does it leach chemicals, so storing your food in a stainless steel container can give you peace of mind when it comes to your health. Stainless steel is non-staining and non-porous. These containers are refrigerator safe, making them a great option for leftovers or lunches. Similarly, it is asked, can you put a metal pan in the refrigerator? A metal pan cooled down to normal room temperature can be put into the fridge without damaging it.Is it safe to store food in aluminum pans?In short: While untreated aluminum is not unsafe, it should not be used with acidic foods, which may ruin both the food and the cookware. Our favorite rimmed baking sheet is made out of aluminum and perfectly safe to use, but avoid cooking acidic foods on it.