Cost of British food basics increases by up to 80% in a year

Cheddar and budget sausages sold by Asda were highest risers, with supermarkets' prices for oats and skimmed milk also soaring

The price of staple foods such as cheddar cheese, white bread and pork sausages has soared by up to 80% in some shops over the past year, in further evidence of how inflation is hitting those on the tightest budgets the hardest.

Porridge oats topped the price increase ranking among a basket of British basics measured by the consumer group Which?, with prices up by an average of 35.5% followed by skimmed milk, which was up by 33.6%, and cheddar cheese, which rose by 28.3%.