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The four-week ad campaign, by Crispin Porter + Bogusky, draws on the ‘premium' qualities of the Angus burger.

The ads show employees in a doorbell factory being tested on their skills, but not all are given the reward of a Bacon Cesar Angus burger.

Burger King said the burger consists of 100%-certified Aberdeen Angus, Caesar mayonnaise, lettuce, Grano Padano cheese and bacon.

Sarah Power, marketing director for Burger King UK and Ireland, said: ‘The new Bacon Caesar Angus is truly the ace in our pack.'