Furious parents say their daughter could have died after Ryanair staff left peanut M&M's on the trolley on their flight.
Olivia Arthur is required to carry to epipens after being diagnosed with a severe nut allergy when she was just four-years-old.
The 12-year-old, from Prenton , was flying home from a family trip to Palmanova when her mother says that she was "put at risk" by cabin crew on the flight because they didn't remove the sweets from the food and drink trolley.
Sarah Upton told the ECHO that when they boarded the flight back to Liverpool John Lennon Airport on Sunday evening, she told staff about Olivia's allergy.
She said: "When we got on I told them that she was severely allergic and that I carry two epipens for her.
"They said it was no problem and they would make an announcement to the flight. When everyone boarded they explained it to the other passengers and said they wouldn't be selling any nut products."
Sarah said she was happy with that even though she wasn't able to sit with her daughter.
After the plane had taken off Sarah's partner, Stephen Arthur, made her aware that bags of peanut M&M's were still on the trolley being brought down the plane by cabin crew.
Sarah said: "I think it is completely irresponsible and they put my daughter's life at risk but leaving them available.
"Her allergy is so sensitive and it's airborne so even the slightest hint and her throat could close over.
"I carry two epipens but it was almost another hour until we landed in Liverpool so if something happened, she could have died."
The mum said she contacted Ryanair customer services after the flight but hopes that they will take more care in the future to keep other allergy sufferers safe.
She added: "We had been on a lovely four day trip with my cousin but it is something I am always very conscious of because I want to keep her safe.
"I was just disappointed that they would be so careless."
A spokesperson for Ryanair said: "Customers with nut allergies are asked to inform cabin crew when boarding the flight and a public address is then made informing other customers and advising that no products containing nuts will be sold onboard.
"While other customers are asked not to open peanut products on board, Ryanair cannot guarantee a peanut-free aircraft.”
