“What’s happening is global prices are rising, it’s not to do with UK food so much as the effect of freight costs, wheat prices, oil and energy prices knocking onto almost everything,” Norman explained.
Article source: https://www.huffingtonpost.co.uk/entry/how-much-has-food-bill-gone-up-by-inflation_uk_6385f4c3e4b082d8e6d4d5a8