how long to cook a porterhouse steak
How to cook a porterhouse steak on a gas grill. 1  Before you grill the porterhouse steaks, leave them at room temperature for 2 hours. This will keep them from over-charring on the grill. 2  Season the steak with seasoning salt or salt and pepper. 3  Make sure the grill is hot prior to cooking the steaks, at least 500â600 degrees.