reporter: one way is with partnerships, like the one for bread with james beard award-winning baker greg wade> how does the machine work? >> the fridge actually keeps track of temperature, the inventory, and the way it works is every single day we know the inventory in the fridge. all that foods that we made, we can actually allocate most efficiently across the network every night. >> reporter: isn't there a little brain inside the machine that says, ah, this salad's been in too long? >> yeah, that's a huge part of what makes this possible. so if you were to find a fridge on the sunday night, we hadn't been there yet, it actually wouldn't let you buy some of the products because they're past their prime. >> reporter: what? >> yeah. >> reporter: it wouldn't let you buy it? >> we actually say, we're not letting you buy this. it would be safe to eat but from a's quality perspective, we actually shut it off. >> reporter: the quality and recipes that appeal to a wide variety of taste is the job of emily stucker. >> historically it's been really hard to make healthy food taste good. >> reporter: wh