What Those White Bits in Spam Actually Are

when touched with a fork or knife
Appear white or slightly creamy in color
Be evenly distributed throughout the product, rather than just in one isolated spot
Carry Spam’s standard salty, meaty aroma—nothing sour or off
Mold will:

Look fuzzy, powdery, or slimy to the eye
Show colors like blue, green, gray, or black
Grow on the surface or in isolated patches—not uniformly inside the meat
Emit a sour, rancid, or otherwise unpleasant odor that hits your nose immediately
Because Spam is sealed and heat-processed during production, internal mold growth