If you store onions in the fridge, they'll stay fresh for up to 2 months - that's a long time for an onion! The cold temperature slows down the ripening process, keeping them from sprouting or becoming too sweet. Just be sure to store them in a breathable bag or container to prevent moisture buildup.
On the other hand, storing onions in the fridge can make them softer and sweeter - which might not be ideal for every recipe. And let's be real, who wants a soggy onion in their salad or sandwich? Not me, that's for sure!