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.
It's completely traumatised her now. She was in buckets of tears. She was enjoying it until she found that and burst out crying.
More top news
Amanda has the Bank Holiday forecast for the west of the Meridian region.
Amanda Houston has the Bank Holiday weekend forecast for the east of the Meridian region.
The family and girlfriend of one of the Shoreham air disaster victims, Jacob Schilt, have spoken about their terrible loss.