Balkan Grill Company is the king of road food

Long-haul truckers from across the country know to pull off on Exit 9 in Gary for a taste of home. All day long at the Petro truck stop in Gary, Indiana, drivers pull in, dismount from their cabs, and saunter lazily across the long blacktop toward a grassy patch next to the parking lot entrance. Muttering into Bluetooth earpieces, they approach the steps of a raised semitrailer painted bright yellow, announcing itself to the parking lot with the words “Balkan Grill Restaurant.”…