Meat, yoghurt and greens are among the many objects which have nearly doubled in value in contrast with a 12 months in the past.
The new figures come as Downing Street prepares for a summit with meals, farming and grocery store bosses later right this moment.
Which? evaluation of greater than 26,000 merchandise at Aldi, Asda, Lidl, Morrisons, Ocado, Sainsbury's, Tesco and Waitrose discovered that the costs of juice, chocolate, water, fish, chilled prepared meals and cheese have additionally continued to rise.
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Over the previous 12 months:
• Morliny Frankfurters at Asda elevated from a mean of £1.25 to £2.42 - an increase of 93.8%• Four brown onions at Morrisons rose from 65p to £1.24 - a 90.8% rise• Lancashire Farm Natural Bio Yoghurt 1kg went from £1.18 to £2.18 - an increase of 85.3%• Aberdoyle Dairies Natural Cottage Cheese 300g at Lidl rose from a mean of 67p to £1.34 - up 100.9%• A 260g of own-brand salmon tails went from £3 to £4.54 - an increase of 51.4%
Food inflation fell barely - from 17.2% in March to 17.1% in April, based on the Which? meals tracker - however with prices rising in lots of areas of life, persons are persevering with to wrestle.
Rebecca Tobi, senior enterprise and investor engagement supervisor at The Food Foundation, stated: "We know that the current food price crisis is causing a great many households to cut back on essentials.
"With ranges of meals poverty amongst kids having doubled within the 12 months to January 2023, authorities and companies should act urgently to make sure that everybody can afford and entry wholesome necessities like fruit and greens.
"If not, we will be seeing the long-term health and economic consequences of the cost of living crisis playing out for years to come."
Read extra:Inflation to fall 'rapidly' - but worse interest rate pain yet to come, BoE governor warnsAnalysis: Cost of living pain still to come for millions despite Bank of England's rosier outlookBank of England interest rate increased 0.25 percentage points to 4.5%People urged by Bank of England economist to 'accept' being poorer
Summit to take a look at meals inflation and provide chains
Later right this moment, Downing Street will host a Farm To Fork Summit, bringing collectively representatives from farming, meals, retail and supermarkets to speak about provide chains, resilience and meals inflation.
Sue Davies, Which? head of meals coverage, stated Prime Minister Rishi Sunak ought to ask grocery store bosses to "commit to do much more" similar to stocking funds strains in comfort shops and offering clear pricing so customers can simply discover the perfect worth objects.
Ahead of the summit, Downing Street unveiled a bundle of measures that embrace higher safety for farmers in future commerce offers.
It follows criticism of the lately introduced commerce cope with Australia, described by former surroundings secretary George Eustice as "giving away far too much for far too little in return".
Ministers have introduced opinions into the horticulture and egg provide chains, following shortages of eggs and recent produce on grocery store cabinets in latest months - blamed on climate, Brexit and the battle in Ukraine.
Other measures embrace reviewing provide chains to ensure producers are getting a good deal and making it simpler for them to show a few of their land into farm retailers.
The horticulture sector has additionally been advised that 45,000 visas will probably be accessible once more subsequent 12 months (the identical quantity as this 12 months) to assist them handle selecting season.
Mr Sunak stated: "I will always back British farmers, and I pay tribute to their hard work and dedication all year round which keeps shelves stocked and food on our tables.
"Supporting our farmers and meals producers should, and at all times will probably be, on the coronary heart of our plans to develop the economic system and construct a extra affluent nation.
"That's why I'm proud to host this summit and, working together, I'm determined to build resilience, strengthen our food security and champion the best of British at home and overseas."
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