text: It's a sugar-laden feast made from four seven-inch wide waffles, 12 scoops of thick ice-cream, four chocolate flakes and if that isn't sweet enough for you, it comes with a giant portion of whipped cream to top it off. The sickly sweet dessert - which contains an astonishing 5,000 calories - is on sale at The Wicked Waffle in North End, Portsmouth, for £25. However, for  customers who can manage to clear their plate within 45 minutes, with no toilet breaks, they are awarded the meal for free and a winners' T-shirt. Scroll down for video . A diner takes on the challenge at The Wicked Waffle cafe in North End, Portsmouth . The unhealthy dessert contains four 7-inch wide waffles, 12 huge scoops of thick ice-cream, four flakes and a giant portion of whipped cream . In the last six months, dozens of ravenous diners have taken on The Wicked Waffle Challenge - and only two people have managed to finish it. The man behind The Wicked Waffle Challenge, cafe owner Harry Harrison, 46, said: 'Most of the customers manage to eat half of The Wacky Waffle but they're so stuffed after that, they completely give up! 'They also start to feel extremely cold and shiver from all the ice-cream they've had to eat.' 'We've had a complete range of people take on The Wicked Waffle Challenge from young women to bodybuilders. 'The only people who finished it were two bulky men - one of whom was legendary competitive eater, Randy Santel, who came to Portsmouth from America to try it. 'Randy completed it an amazing 13 minutes 11 seconds, and the other competitor Simon did it in 23 minutes 55 seconds. The giant waffles are made from four eggs, three cups of milk, a cup of butter and three cups of flour. Competitive eater Randy Santel and friend Simon about to take on the Wicked Waffle Challenge . Good attempt: Two female diners throw in the towel as they are unable to clean their plates . The over-the-top treat has created a real buzz around Portsmouth. Mr Harrison said: 'You come across lots of savoury eating challenges with burgers and steaks but you hardly ever see a sweet one. 'That's what inspired to create the Wicked Waffle Challenge. 'It's been very popular and lots of people have been talking about it on Facebook.'
target: Monster dessert served at The Wicked Waffle in North End, Portsmouth .
  Customers who clear their plate within 45 minutes get the pudding for free .
  So far only two people have managed to finish the enormous dish .