Avoid Reheating These 7 Foods When Having Leftovers

Reheating food is a popular practice that provides convenience and can save time in the kitchen. Some foods may not react favourably to reheating, potentially becoming unsafe or losing their original texture and flavour when exposed to heat again. Knowing which foods to avoid reheating is essential for preserving their flavour and nutritional value while reducing any potential health hazards. Some foods, when heated again, undergo changes that can lead to digestive issues or, in extreme cases, pose the risk of food poisoning. Understanding these risks is crucial for maintaining both the taste and safety of your meals.  

7 Foods to Avoid Reheating 

Leafy Greens 

Foods like spinach, lettuce, and fenugreek contain nitrates that can transform into harmful compounds when reheated. These compounds, when consumed in large amounts, may increase the risk of certain diseases. It's best to consume leafy greens fresh or in salads rather than reheating them. 


Mushrooms are known for their high protein content, but they also contain compounds that degrade quickly when exposed to heat. Reheating mushrooms can lead to a loss of texture and flavour, making them less palatable. It's advisable to consume mushrooms immediately after cooking. 


Reheating eggs can pose a risk of bacterial contamination, particularly if they have been left at room temperature for an extended period. Eggs contain proteins that can break down when reheated, resulting in an unpleasant texture. It's safer to consume eggs freshly cooked and avoid reheating them altogether.  


When potatoes are cooked and then left to cool before reheating, they undergo a process called retrogradation, where the starch molecules realign and become resistant to digestion. Reheating potatoes can lead to a significant increase in their glycemic index, which may not be ideal for those watching their blood sugar levels. 


Like potatoes, rice also undergoes retrogradation when cooled and reheated. This can lead to an increase in resistant starch, which may cause digestive discomfort for some individuals. Moreover, reheated rice is a common source of food poisoning if not handled and stored properly due to bacterial growth. 


Reheating chicken can be tricky because it's easy for bacteria to multiply on its surface if not reheated to the proper temperature. Additionally, the proteins in chicken can become tough and dry when reheated, resulting in an unappetizing texture. It's best to consume chicken freshly cooked or cold in salads. 


Reheating oils, particularly those high in polyunsaturated fats like vegetable and seed oils, can lead to the formation of harmful compounds called lipid peroxides. These compounds have been linked to inflammation and oxidative stress in the body. It's advisable to use oils sparingly and avoid reheating them whenever possible.