Waitrose achieved its highest week of trading, bar Christmas and Easter, over the Jubilee weekend. Sales were up 19.8% on last year, for the week ending 2 June.

Melton Mowbray Pork Pies, sausage rolls and Scotch eggs featured among the picnic food favourites, with sales up 76% for each. Trifle was also up 28% year-on-year.

Tubes of red, white and blue icing also rocketed, with growth in sales up 637%.

Mark Price, managing director, Waitrose, said: “The prospect of a long weekend and a wonderful focus for celebration spurred shoppers into action. Many people clearly welcomed having a great reason to step away from day-to-day budgeting to stock up on fabulous food and drink for Jubilee parties and entertaining.”

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