Hard or Moldy? What to Know Before Eating Stale Bread

blue, white, or black fuzzy patches on the surface of bread. Because bread is porous, mold roots can spread deeper than what is visible, meaning the entire loaf may be unsafe even if only one area is affected.

Other warning signs include unusual smells, such as sour or musty odors, or a slimy or overly moist texture. When these signs are present, the continue reading …