A grandmother chucked her McDonald's dinner in the bin after seeing 'filthy' worksurfaces and products at one of the fast food joints.
Ceri Pepper, 61, was left feeling 'grossed out' by the conditions at the restaurant in Crossways Parc in Caerphilly, Wales.
She watched as one staff member battled to hold a bottle of toffee sauce that was coated in a sticky liquid.
She said many of the surfaces and units were encrusted with spills and recorded the mess on her camera.
Ms Pepper shared the images online but the chain mistakenly replied they 'love to hear when our restaurants impress with their cleanliness'.
McDonald's later said it was an 'exceptionally busy time' and 'extra cleaning' took place as soon as they were made aware of it.
The store was also slammed by Environmental Health for the conditions it was serving food in.
Ceri Pepper, 61, was left feeling 'grossed out' by the conditions at the restaurant in Crossways Parc in Caerphilly, Wales
She watched as one staff member battled to hold a bottle of toffee sauce that was coated in a sticky liquid
She watched as one staff member battled to hold a bottle of toffee sauce that was coated in a sticky liquid
Ms Pepper's photos showed staff working around spillages and dirt while the floor was littered with food such as nuggets, chips and lettuce.
Even after quizzing workers about the state, she claims she was told they were simply 'too busy' to clean.
She forked out £14 for three triple cheeseburgers, two fries and two McFlurrys, but chucked them away because she 'didn't want to take the risk'.
She took her complaints online but McDonald's social media staff misinterpreted what she said as they welcomed her 'compliments'.
Ms Pepper called Environmental Health and the council confirmed they have 'requested remedial actions to be undertaken by the restaurant'.
Ms Pepper said: 'It was gross. They'd kicked all the food underneath the units too. It was horrible.
'It wasn't just one or two bits on the floor that could be picked up - it was horrendous. The floor was dirty. It's not just walked in food - it's walked in dirt.
'[A member of staff] was holding up the toffee sauce bottle with two fingers for my McFlurry because the bottle was
