The tins aren't that new - the technology was developed during the second world war.
But now the hot-cans are going to be sold in supermarkets it means everyone can enjoy them.
It's thought they will be really useful for soldiers, emergency services and fishermen who often have to work in very cold conditions with nowhere to cook.
Normally, they have to make do with cold food like soggy sarnies and chocolate.
And the makers reckon they'd be great for your packed lunch and will make camping trips a lot more appetising!
Hear story!
Talk about this now!
My day with Jamie Oliver
