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The campaign cost McVitie’s £1million to make and it's the first Christmas advert in 30 years for the brand, who have been baking biscuits from Chocolate Digestives to Jaffa Cakes since 1830.

The number of Jaffa Cakes has been cut from 12 to 10 in the latest example of packaged food "shrinkflation". The packs weigh 122 grams rather than 150 grams, but McVitie's has cut the recommended ...