The FSA’s list of 25 products also included Kettle Chips, Fox’s biscuits and Cow & Gate baby products.

The agency is not telling people to stop eating the products, but manufacturers have been told to cut levels.

The FSA said carbs should only be cooked until “golden” and in accordance with the instructions on any packaging.

Cooks should also resist the temptation to turn up the oven temperature as a “shortcut” because it increases the likelihood of burning.

Cancer Research UK has pointed out the link between the chemical and cancer has not yet been proven in humans but it has been confirmed in mice. Critics have hit out at the new recommendations, claiming the message is being yelled by the “army of nanny statists”.

John O’Connell, chief executive of the Taxpayers’ Alliance, said: “Barely a day goes by without a public health decree from the army of nanny statists funded by taxpayers.

“If you strictly followed all the advise that emanates from Public Health England, the Food Standards Agency and the rest, it would be difficult to find anything to eat, drink or do at all.”

Tim Knox, from the think tank Centre for Policy Studies, said: “Surely food and health officials have got more important things to worry about such as obesity and food poisoning?

“People don’t need to be taught how to use their toaster in the morning and their oven in the evening.

“People get overwhelmed by the vast amount of ridiculous public health warnings the government issues.”