'Foie gras burger' on the menu for Quick in France

Generic image of burger
Image caption The foie gras burger will have 672 calories per portion, more than the conventional beef-only patty

A Belgian fast food firm says it will be offering customers in France a burger containing a slice of foie gras.

The burgers, which will contain duck foie gras, as well as beef and lettuce, will be available for a short time in the days leading up to Christmas.

They will be on sale for five euros (£4.20) in hundreds of Quick outlets across France.

Foie gras is from the liver of a force-fed duck or goose, a practice that animal protection groups say is cruel.

The product - which has a rich flavour and buttery texture - is traditionally a Christmas delicacy in France, though it is eaten more widely in the south of the country throughout the year.

"We want to give our clients [a] great taste at cheap prices and give them the possibility to party a little ahead of time," the firm's marketing director Laurent Niewolinski told Reuters.

Quick said the foie gras burger would have a total of 672 calories, compared to the standard burger's 633 calories.

Earlier this year, the company sparked a debate in France by producing a halal version of one of its burgers - replacing the bacon with turkey - in some branches of the fast food outlet.

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