Supermarket sandwiches arn't very healthy generally, many available fillings have more saturated fat and salt than a McDonalds burger!
Kettle pasta is an interesting one, should work, ideally need some way to heat up the sauce for them too. Sure something can be figured out, perhaps some kind of water bath.
Kettle pasta is an interesting one, should work, ideally need some way to heat up the sauce for them too. Sure something can be figured out, perhaps some kind of water bath.