A supermarket chain has denied breaking food hygiene laws.
The EH Booths group pleaded not guilty to 22 allegations centering on its flagship Artisan store at Lytham.
The accusations include three involving the sale of ox tongue infected with listeria.
The company has 28 stores across Lancashire, Cumbria,West and North Yorkshire and Greater Manchester.
It employs more than 3,000 staff and has an annual revenue of over £270 million.
The company is being prosecuted by Fylde Borough Council under its head office address at Longridge Road, Ribbleton, Preston.
Other allegations concern the management of food and its sell by dates at the Lytham outlet.
The foods concerned are polish meat, cured beef, pate, sunblush tomatoes, pesto, cous cous and seafood salad.
There are also charges relating to fish – cod loin, smoked cod and haddock and kipper. The remaining offences involve shellfish cockles, clams, mussels and live oysters.
District Judge Feff Brailsford, sitting at Blackpool Magistrates Court, heard the case will last five days and adjourned proceedings until August.