Is this the best Burger King hack ever? How you can get the fast food giant’s £4.40 Bacon Double Cheeseburger for less than half price revealed

It’s far from the only secret menu hack that you can use to buy popular burgers at fast food chains for less. Last year, FEMAIL revealed how you can save £1.20 on buying a Big Mac at Macdonald’s by creating your own using customisable options. Known as …
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