Why Microwave Meals Last Longer Than You Think

Ever come across a question you didn’t realise you urgently needed an answer to until someone asks it?

That happens to me all the time when I’m scrolling through social media. And recently, a peek at Reddit’s r/AskUK got my thoughts racing. 

“How does this tikka masala ready meal have a five-week shelf life with 0.5% salt and no obvious preservatives?”, site user u/Beautiful-Salt7885 asked members of the forum. 

They attached an image of a microwave meal’s ingredient list before asking, “Is there an error with the best before?”