Few items on the menu at Betty’s Old Fashion on East Hillsboro Street in El Dorado, Arkansas, ever exceed $10. The hand-packed burgers clock in at $3, while a dipped cone of soft serve is just $1.25. On Sundays, the lunch special of either chicken and dressing, a fried pork chop, or a hamburger steak on a plate heaped with fried okra, turnip greens, purple hull peas, gravy-doused creamed potatoes, cornbread, cake, and tea will set you back $9.88. Betty herself has been working at the roadside joint since she…