There is a lot to consider when making a PB&J: smooth or crunchy, grape or strawberry, crusts on or cut off... Now, there's a new option to factor in. Do you want it in a baggie, or in a can? Yes, can. The Candwich, going into production later this year, is offering your favorite childhood sandwich in convenient aluminum packaging. Advertising boasts that the protected sandwiches are perfect food storage choices in the event of a disaster. Makes us think the disaster will be the taste.