You may have noticed that National Geographic‘s been on a food truck roll lately. That’s because we see food trucks, and really, any food sold on the street to people on the go, as a big part of the future of food.

Friday, we went down to the monthly food truck festival, Truckeroo, near Nationals Park in Washington, D.C. for lunch. We found frozen cheesecake and banh mi, falafel and grilled cheese, and everything in between.

And we talked to the hard-working folks taking orders and cooking in a hot truck for 12 hours about what they like to eat while they’re working. Their answers were almost as varied as their food offerings.

“I love my own food the best,” says Michael Habtemariam of DC