The researchers found that the combination of exposing potatoes to high temperatures and treating them in sugar was mainly responsible for producing acrylamide.
An important point to note is that the claim that acrylamide causes cancer in humans is very much open to debate. Since its discovery, there have been a number large-scale studies into a possible link, with many of these studies having inconclusive results.
Frozen chips are probably also sold at take aways and burger chains.
"Frozen chips are a cause of cancer" reports the UK Daily Telegraph:
In particular, the kind of partly-cooked fries supplied to some restaurants, pubs and fast food outlets are most likely to contain higher levels of carcinogenic chemicals, researchers warn.
Disturbing trend to see in Poland if it takes hold - people adopting burger chain dining lifestyles and doing less cooking-from-fresh at home.