Witness the creation of Christopher The's Strawberry Watermelon Cake, rumoured to be the world's most Instagrammed dessert.

Has Sydney's Entertainment Quarter found its own Willy Wonka?

Black Star Pastry opens at Entertainment Quarter this week, with its chef-owner, Christopher The, fresh from a stint peddling edible balloons in the city, conceding there's a circus element to his new venue at Moore Park.

"We have an [$18,000] egg-cracking machine on the way from Japan. It hasn't landed yet but it cracks eggs and separates yolks from whites. I'm told it'll do a week's worth of work in 40 minutes. Most of the eggs will be used in our strawberry and watermelon cake," The says.

With the glass-enclosed production kitchen visible to customers, the chef has included other hi-tech wizardry.

"There's an ultrasonic cake cutter, and we're also using those high-vis jackets the traffic people wear in Japan with the flashing lights," he adds.

Beyond the theatrics in Black Star's sweet production kitchen, there are lofty savoury ambitions for the 80-seat venue. "Lunch will be  similar to the format at Kitchen by Mike."

With specialist smoking units, expect lots of smoked meats as part of the menu.

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Open Mon-Thu 8am-6pm; Fri-Sat 8am-8pm; Sun 8am-4pm

Bent Street, Entertainment Quarter, 122 Lang Road, Moore Park, blackstar.com.au