Most diners exist to fill the needs and bellies of the neighborhoods surrounding their location. This East Dallas standby, which opened in a vacant Dunkin' Donuts location in 1982, is worth a drive from across town. Breakfast is served all day, which translates to 5 am until 3 pm. The menu is simple and inexpensive. Our favorites include a chorizo, egg, and cheese taco and an inexpensive plate of bacon (served well done) and eggs over easy. The coffee is bottomless. The sign out front advertises donuts, but new ownership decided to stop making them. We'll see how long that lasts—longtime customers and their kids, accustomed to getting free donut holes, might revolt.