Sour, rancid, or “off” smell
Slimy, sticky, or tacky texture
Color changes to gray, green, or unusually dark with uneven spotting
Mold growth (any fuzzy or discolored patches)
Liquid pooling that looks abnormal or has a strong odor
Package bloating or excessive gas buildup
Taste is sour or unpleasant (do not taste if you suspect spoilage)
Exceeds the “use by” date or has been stored too long
Has been kept above 40°F (4°C) for more than 2 hours (or 1 hour if above 90°F/32°C)