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The Sprout Surprise Whopper, is based on the fast food chain's original sandwich, but contains brussel sprouts and emmental cheese.

Paul Rowland, culinary development manager at Burger King UK said: We believe that taste is king, and as such, we wanted to create a recipe that would challenge existing sprout perceptions, and genuinely make sprouts a flavour to be reckoned with."

The burger is available at selected Burger King restaurants until 24 December.

Earlier this month, , in a bid to diversify its business away from its burger franchises.

Rival McDonalds launched a festive menu last month, supported by TV, outdoor and press ads created by Leo Burnett.