If you're gonna go all the way over to Halsted, Schaller's Pump
(3714 S. Halsted St) is the old standby for local color (emerald green) and corned beef.
"The fork with two prongs is in use in northern Europe. In England, they’re armed with a steel trident, a fork with three prongs. In France we have a fork with four prongs; it’s the height of civilization." Eugene Briffault (1846)