Samuel Dosser quit his job at the store, claiming he was ordered to fry “foul” fowl after bosses ordered too much over Easter.
The 27-year-old claims there were 720 pieces cooked up that had expired the day before – and stormed out after being told “all the other stores” do it.
And he claims bosses wouldn’t bin the birds because it “would cost them too much to throw away”.
“I went on my break and thought ‘I don’t want to be here if we are serving out of date produce’.
“I came back and said ‘I’m not working here while you’re doing that’ and they gave me the option to work two weeks’ notice or quit on the spot. I quit there and then.
“I told everyone what was going on and they were appalled by it. They need their jobs though. I needed mine too.”
He reported the issue to KFC and Environmental Health, with the latter investigating his claims.
Mr Dosser, who has worked at the Huntriss Row branch since it opened in November, claims it’s put him off eating the ‘finger lickin’ food.
It is the latest in a number of incidents that have blighted the store, with the council banning chicken from being cooked due to fan issues, while a disabled customer complained there wasn’t a ramp to get inside.
A KFC spokesperson said: “We refute these allegations in the strongest possible terms and following a thorough investigation we are entirely confident that the claims are false and there was no breaking of our strict procedures and standards.
“Food safety and hygiene are our highest priority, and we enforce a continuous system of rigorous food safety procedures in our restaurants.
“The restaurant was spot-checked by the local authorities as recently as Friday and no food safety concerns were raised during the inspection.”