I bought frozen dough (at the grocery store, but really from a local-ish pizzeria) a couple of days ago (Saturday), thinking that I would be making pizza yesterday. I left it in the fridge to cold ferment, which I usually do with this dough for at least a couple of days. Well, between this and that, I can't make pizza until at least tomorrow or Friday. How can I tell if its still okay? This may sound like a silly question, but I really don't want to poison my daughter. And I don't have time to make my own (and I'm not very good at it anyway).