Could perfectly grilled and seasoned pork butt get any simpler than this? 1. Inject meat with Zatarain’s® Cajun Injector Creole Butter Marinade to get bold flavor all the way to the center of the meat. 2. Sprinkle roast with Zatarain’s® Creole Seasoning. 3. Grill slow and low. 4. Dinner is served.