Coffee Is the One Food You Cannot Just Seal in a Bag

Coffee packaging hero: kraft bags and loose coffee beans on a dark blue surface beside a scoop, with the slogan about sealing coffee in a bag.

Here is a packaging problem that almost no other food has. Most products want to be sealed away from the air as completely as possible. Roasted coffee cannot be, at least not right away, because it is still actively giving off gas. Roasting builds up carbon dioxide inside the bean, and that gas keeps escaping […]