Combine seasoning ingredients in small bowl. Press seasoning evenly onto steaks.
Place steaks on grid over grill heated to medium. Grill, covered, 11 to 14 minutes, turning occasionally. For medium rare, check internal temperature [145 degrees] or medium [160 degrees].
Slice steak and serve alongside mushrooms.
Recipe by Mom to Mom Nutrition at https://momtomomnutrition.com/food-and-recipes/grilled-strip-steaks-mushrooms/