It’s lunchtime, your stomach is growling and you’ve decided to make a sandwich. But as soon as you head to the pantry and open the bread bag, you see it: a whitish, greenish spot. Ugh — it’s mold.

Add Yahoo as a preferred source to see more of our stories on Google. Some slices look OK, though, with smaller or no moldy bits. Are those safe to eat? Maybe they haven’t been touched by the mold yet ...

We've all encountered moldy food before, whether it's a rogue berry covered in gray fuzz or a green-speckled slice of bread. Maybe you didn't notice the mold growing until you plated your meal — or ...