None of it's in a can. It's in boxes inside plastic-wrapped plates. Basically like a Lean Cuisine/Healthy Choice meal but it doesn't require refridgeration.
Anyway, I ended up not eating any until tonight kind of out of fear. But I decided tonight to try one! And it's not bad! It's not great or anything, but it tastes fine. I doubt it tasted much better when it was fresh, heh. It is Jenny Craig afterall.