Mr Kipling cakes owner Premier Foods is raising prices amid a cost of living crisis pushing up household food bills.
The group - which also owns brands such as Oxo cubes, Sharwoods and Ambrosia - said the Ukraine war was pushing up prices of many of its ingredients, including wheat and dairy, while fuel and energy costs are also rocketing.
The UK rate of inflation has soared to 9% - a new 40-year high - as the cost of living continues to spiral.
