Before the food-truck explosion, Hallava Falafel was there, striving to serve classic and authentic falafel--no "our own take," certainly no fusion--in an accessible way more affordable for the people. Founded in 2006, Hallava Falafel is now parked permanently on Airport Way South in Georgetown, across from the decrepit brick edifices that give Georgetown its signature industrial chic. The choices are simple: there's the Falafel Sandwich ($6.75) and the Shawarma Sandwich ($7.25), both of which are served on a pita and "cradled" in spinach, a Russian red relish, cabbage, and lettuce. The sandwiches are then positively smothered in light yogurt tzatziki sauce, with a slender Wild Armenian pickled cucumber embedded somewhere therein. It is worth it to eat there with a spread of napkins on your lap; otherwise, transport the sandwich carefully to a place with a forgiving eating surface. While the truck may be mobile, this is not a sandwich to eat on the road.