Tofu flecked with gold flake, foie gras pudding, caviar-topped dim sum: It's no secret that Hong Kong likes to glam up its food. Now, the fast food giant Burger King is also getting into the act.

The latest indulgent menu addition here in Hong Kong is a black truffle burger - part of its overall premium series of food items intended to present "a taste of royal delicacy", as the company puts it.

Burger King’s truffle burgers are a steal at $5 if you order it a la carte, $6 if you also want fries and a drink. The burgers come with extra thick burgers and are layered with curly lettuce and sauce made from Italian black truffles (apparently) mixed with mayonnaise, reports the company.

Burger King’s previous marketing efforts elsewhere haven’t all gone smoothly, no wonder when one of the initiatives was a cologne that smelt like hamburgers.

So far, sources say the truffle burger promotion, which ends next month, has been very well-received. We are unsure as to whether the burger will have actual truffles or be flavoured with that ubiquitous synthetic ‘truffle aroma’. Either way, we would love to try one…