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Let them eat Bay Ridge cake.

The elaborate cake that Vice President Biden munched at a pol-studded Manhattan lawmaker’s bash last week was the brainchild of one neighborhood perfectionist.

Nick Nikolopoulos of Bay Ridge Bakery created the U.S. Capitol-shaped cake for the birthday of Rep. Carolyn Maloney (D–Manhattan) last week — further proof that Brooklyn bakers are not only better, but bigger.

The vanilla and chocolate mousse cake cost as much as a car and was bigger than a child. It sat as a sweet centerpiece at Maloney’s birthday party/$500-a plate fundraiser on Feb. 23, which was held at a Manhattan hotel, four days after Maloney’s actual birthday.

Nikolopoulos toiled for 42 hours over the five-foot, $8,000 piece of edible art.

“I got really, really into it,” said the master baker, whose shop is on Fifth Avenue near 78th Street. “I started to research everything about the architecture — and even the potted plants on the lawn.”

Two men had to carry the blue and white treat through metal detectors, into the hotel, where Secret Service then inspected it.

Once the party started, about 200 guests — including Council Speaker Christine Quinn (D–Manhattan) and the vice president — toasted the congresswoman. Nikolopoulos also scored an invitation.

“I guess they liked me,” he said. “I tried to talk about cake — not politics.”

Jamie Ansorge, a spokesman for the congresswoman, said the expensive dessert will be reported as an in-kind contribution by March 31, when the first-quarter fundraising reports are submitted.

“It was a beautiful cake and added to the festive feel of the event.”

Biden could not be reached for comment, but The Brooklyn Paper described the treat to one of his staffers.

“You’re making me hungry,” he quipped.