The research also showed the day which should be avoided at all costs

Christmas is on the horizon, and Britain's supermarkets are about to transform into a real-life version of Supermarket Sweep. As households nationwide prepare for the most indulgent week of the year, shoppers must navigate the familiar festive juggling act – buying everything from sprouts to stuffing, without letting the stress of the pre-dawn turkey dash steal the season's joy.

With one in three Brits feeling financially worse off than last year, and over 40 per cent planning to dip into savings or use credit cards to fund their festivities, timing the big food shop just right could make all the difference.

Experts at VoucherCodes.co.uk have amalgamated retailer data, independent research, and expert insight to unv

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