But then her boss, Ehrlich CEO John Myers, pressured her into it. And she was pleasantly surprised: "It didn't taste so bad — kind of like baked potato chips."

Troyano was among many skeptics who found much to like about the pop-up Pestaurant, which drew tourists and Washingtonians onto the Occidental's patio for about four hours Wednesday to taste grasshopper burgers, roasted crickets, Mexican spice mealworms and ant lollipops. It was one of 12 Pestaurant events sponsored by Ehrlich and its parent company around the world.

John Mongini, from Flagstaff, Ariz., initially winced at his first taste of cricket. But after a few chews, he relaxed, describing them as "kind of like sunflower seeds."

Perhaps the greatest gastronomic success of the snacks laid out for the noshing were the turkey burgers with ground-up and whole grasshoppers mixed in.

The juicy, grilled burgers were garnished with peppers and lettuce and served with an array of gourmet condiments. And there were two key reasons they were delicious: They'd been concocted the night before by Rodney Scruggs, the Occidental's executive chef. And they included a brilliant secret ingredient: duck fat, to keep them moist.

John Mongini from Flagstaff, Ariz., munches on a cricket. Wincing at first, Mongini eventually decides he likes them. Photos: Maggie Starbard/NPR

"I've never cooked with insects before, so this was new territory for me, but it took on a life of its own," Scruggs says. "The grasshoppers gave the burgers a musty, earthy flavor, like a dried mushroom."

The match-up, however, of one of Washington's most iconic grand dame restaurants and a pest control company headquartered in Reading, Pa., was a bit puzzling.

Why exactly would exterminators throw a free luncheon to give out grasshoppers, mealworms and scorpions?

"We're not recycling insects that were captured in people's homes," Ehrlich's CEO John Myers insists.

Moreover, says Troyano, the only bugs being served that could be considered pests would be the crickets: "They're occasional home invaders."

Instead, Ehrlich was there for three reasons: "to have fun, raise awareness about the serious business of pest control and raise money for hunger," says Myers.

Katherine Eklund, with D.C Central Kitchen, competes in a cricket eating competition. Photo: Maggie Starbard/NPR

The idea, Myers says, came from Ehrlich's parent company, Rentokil, which sponsored the first Pestaurant in London in 2013. "They expected 200 people and got 2,000," he says.

For the charity part of the event, Ehrlich had committed to donate a few dollars for everyone who tried the bugs to D.C. Central Kitchen, a local non-profit. And while Ehrlich isn't in the business of raising insects or directly promoting their consumption, Myers notes that he does see them as a viable solution to hunger.

Matt Schnarr bites into a mealworm lollipop. The Pestaurant also had ant and cricket lollipops available to taste. Photos: Maggie Starbard/NPR

As we reported last year, insect cuisine isn't just a kooky San Francisco fad anymore. The U.N.'s agricultural arm has been speaking up why insects should be an option for dinner.

Among the attendees of the D.C. Pestaurant was Sonny Ramaswany, director of the National Institute of Food and Agriculture at the U.S. Department of Agriculture.

In an email to The Salt, Ramaswany says he was pleased to see so many people partaking in bugs at the event. After all, insects are nutritious, and more efficient and better for the environment than other protein sources.

"Edible insects are going to be part of the toolkit for us to achieve global food security," he says. "Unfortunately in Western countries we will need to overcome the 'yuck' factor, and events like Pestaurant will go a long ways to help people overcome the same."

USDA, too, is now on the entomophagy bandwagon. In May, Ramaswany gave the keynote address at the Insects as Food Conference, hosted by the Food and Agriculture Organization and Wageningen University in the Netherlands. (He also recently wrote this blog post about why everyone should get on board with eating bugs.)

Copyright 2014 NPR.

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At 'Pestaurant,' Grasshopper Burgers Win Over Eaters Who Say 'Yuck'