You won't be missing that bottled steak sauce when you grill up steaks this time. This grilled T-Bone with Creamy Mushroom Sauce is incredible and is easy to whip up.
Season both sides of the meat with salt and pepper.
Place steaks on hot grill and cook until seared, about 3 to 4 minutes. Turn steaks over and continue grilling 3 more minutes. Reduce grill heat to low and continue grilling for 5-7 more minutes for medium-rare doneness. Using a meat thermometer internal temperature should read for medium-rare, 135º-140º F and 140º-145º F for medium.
Meanwhile, heat butter in a non-stick skillet over medium-high heat.
When butter has melted and is foaming, add mushrooms and garlic.
When mushrooms are soft, stir in beef broth and Worcestershire sauce.
Reduce heat to medium and cook until sauce is reduced by half, about 5-7 minutes.
Remove steaks from the grill and place steaks on serving platter. Cover steaks with foil, and let steaks rest 5 minutes.
Stir rosemary and heavy cream into mushroom mixture. Cook for 2 minutes then remove from heat.
Serve each steak with half of the mushroom sauce drizzled on top.