The incident, said to be one of the biggest in the last 25 years, reported from Welsh factory in south Wales where unidentified men made off in a trailer containing biscuits worth 20,000 pounds, The Telegraph reported today.
The stolen trailer was later found empty in Warrington, Cheshire, more than 240 kilometres away from the crime scene.
Well-known treats such as Wagon Wheels and Jammie Dodgers are produced by the company.
"We're investigating the report of a trailer containing 20,000 pounds worth of biscuits being stolen from Burton's Food Ltd on Ty Coch Way in Cwmbran. Enquiries are currently ongoing," a company statement said.
Paul Williams, who is a former employee at Burton's, said the theft was unprecedented, adding, "I can't remember there being anything like it in 25 years.