"In the States and Europe it was popular. The idea originates from top chefs who used nitrogen to make desserts, so we thought why can't we do it with alcohol, and it worked."
His winning cocktail uses sour apple with tequila, to which he adds liquid nitrogen, fresh limes and apple juice, making a sorbet.
The team has also created a garnish using De Kuyper butterscotch with spun sugar. It turns into a web, a technique chiefs use to make desserts.
"Then in our own special way, we make what we call 'caviar' with black raspberry liquor, the cocktail looks like a spider's nest with eggs on top of it," he said.
"We beat a lot of top bars in Auckland. So that was really great,
"We are really trying to promote our point of difference with the liquid nitrogen in all the cocktails."
The winning team will be announced by August 31, and their prize will be a trip to the Sydney Bar Show.
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THE WAIKATO INDEPENDENT