The 29-year-old said the hair, believed to be part of the cow's hide, had come from a £3 packet of frozen mince bought at Iceland's Gosport store.
Ms Stock said Iceland had investigated and given her £30 in vouchers as an apology.
– Ms Stock talking to the Portsmouth News
It's completely traumatised her now. She was in buckets of tears. She was enjoying it until she found that and burst out crying.