Simple is best. Lone Star Tavern in Bell Meade outside Waco always has a line. The closest I have come to copying their flavor is thus: Worcestershire on the steak, season salt on the steak, add garlic, let it rest 5 minutes, then onto the grill. Cook to medium/medium rare depending on preference.
Regards, Riz58 Char Broil Akorn, Bandera, and Masterbuilt Electric Smoker