Storing leftovers in aluminum foil risks : Covering leftover food with aluminum foil and putting it in the fridge is one of those habits many people pick up without giving it much thought. It is quick, convenient and saves you from washing another container.
But there is one problem: aluminum foil does not completely seal your food from the air. That matters because bacteria need air to grow. Some bacteria, including Staph and Bacillus cereus, can produce toxins that may survive high cooking temperatures, as per a report.
