MasterChef finale: Emma in action.

MasterChef finale: Emma in action. Photo: Supplied

Victory was sweet for Victorian Emma Dean who got so close to perfecting a dessert that she was able to come from behind and win MasterChef.

In taking out the fifth season of the Network Ten cooking reality cooking series, Dean took home $100,000, an Alfa Romeo and scored a cook book publishing deal.

A big hug: Finalist Lynton congratulates Emma.

A big hug: Finalist Lynton congratulates Emma. Photo: Supplied

Dean scored 85 points over three rounds on Sunday night's grand final to finish four points clear of Northern Territory stockman Lynton Tapp who won $20,000.

Victorian stay-at-home mum Samira El Khafir, who was knocked out of the grand final after two rounds, was third and won $10,000.

Dean described the final as emotionally and mentally challenging and now just wants to start cooking in the real world.

"The whole experience feels like a dream, what a rollercoaster," she said during the grand final episode.

"I'm really privileged to have been able to share this with Lynton, who's become a wonderful friend.

"I can't wait to head out into the food world and make this restaurant a reality." Dean trailed Tapp by two points heading into the third and final round which was a pressure test.

The two amateurs had two hours to prepare and construct the dessert, plight of the bumble bees, presented by respected Australian chef Ben Shewry.

It was the most complex dessert ever brought into the MasterChef kitchen and judges Gary Mehigan, George Calombaris, Matt Preston and Shewry each awarded Dean a nine out of 10.

Tapp received 30 out of a possible 40 to relinquish the lead and ultimately the title.

During the dessert tasting, the judges praised Tapp's granita but his meringue lacked crunch and his cream was slightly grainy.

The said Dean's dessert had the desired crunch and her whipped cream was perfect.

She lost one point each from the judges because of a slight tear on her pumpkin-layered dessert top, and the grated freeze dried apple could have been slightly more generous. Tapp said Dean deserved the title.

"...she's a great cook and I know she'll succeed at whatever she does next," Tapp said.

"I'm looking forward to getting some hands on experience in kitchens across Melbourne.

"I just want to learn as much as I can from the amazing chefs we've been exposed to on MasterChef".

AAP