When it comes to freezing onions, Ochs doesn't recommend it. "Freezing whole, raw onions isn't the best method if you're aiming to preserve their texture and flavor for later use," he says.

so having onions pre-diced on hand is pretty awesome. I'm sure freezing changes the texture a tiny bit, but I've not really noticed any issues with it compared to just using them fresh." ...

Onions, a key ingredient in many dishes, can be kept for months if stored correctly and a food hygiene expert shared her top tips to ensure your onions stay fresh and tasty for as long as possible.