Dutch eggs tainted with pesticide could also have been used in cakes, pastries, Yorkshire puddings and other food products, a watchdog has claimed.
Supermarkets which have already removed salads and sandwiches could be forced to extend the recall to mayonnaise, ice cream, noodles, desserts and quiches.
The Food Standards Agency is investigating to find out what products could be contaminated but insists there is no risk to public health.
A FSA spokesman said: ‘Investigations are continuing. The situation is constantly evolving and it is possible that we will identify more implicated products as our investigations continue.’
The watchdog said around 700,000 eggs from Dutch farms implicated in the Fipronil contamination scare have been distributed to Britain.
Over 15 million eggs, the majority in liquid or powder form, are imported by British manufacturers every week and nearly half are from Holland.
Chairman of British Lion Egg Processors, Ian Jones, said the number of food poisoning outbreaks linked to imported European eggs in recent years was alarming.
He said: ‘The UK are big consumers of Dutch egg products, so it is clearly possible that these were exported to the UK.
‘Eggs are so versatile that they are used in a huge variety of foods, but mainly cakes, pastries, Yorkshire puddings, ready meals, mayonnaise, Scotch eggs, quiche and egg custards.
‘We need to find out whether these products have been made with tainted eggs. That will be a job for the Food Standards Agency and the Dutch authorities.’
Yesterday Sainsbury’s, Morrisons, Waitrose and Asda withdrew a total of 11 products – including sandwiches, sandwich fillers and salads – from sale.
Dutch investigators have detained two men suspected of being involved in the illegal use of the pesticide at poultry farms.