The figures also revealed that 91% of British adults reported their general cost of living had increased, up from 88% earlier this month (pictured in a graph).
EXCLUSIVE: Britons already facing a cost of living crisis are now paying almost £3 more for an average shopping basket than they were a year ago, according to new data.
Prices of the salty snack have already been driven up by 9.6% in the last 12 months due to a spike in the cost of potatoes, but now they could rise a further 2.2%, say experts.
The UK s biggest cooking oil bottler warned last week that Britain had only a few weeks supply of sunflower oil left as the ongoing conflict was disrupting exports.
Fruit and vegetable prices could rise by nearly a third, industry experts have warned. It comes as the the UK s biggest cooking oil bottler has also warned it has just a few weeks supply of sunflower oil.