Ability to cook foods.
You'd need the ingredients and a stove to cook it on.
Beans on toast, very simple, you need bread and baked beans, you put the beans in the microwave, toast the bread, and you got it.
You'd be able to cook more advanced meals depending on the ingredients.
This is something that I assume would take a decent amount of effort, so I think there would have to be a revamp for food for it to actually be beneficial,