Preheat sheet pan for at least 10 minutes at 400°F
Dice all vegetables - potatoes into cubes, asparagus into 3 inch stocks, and mushrooms into halves
Toss potatoes onto the pan, spray with non-stick spray, and bake for 25 minutes
Remove tray, add vegetables and rosemary along with kinders buttery steakhouse seasoning, salt, and pepper
Spray with cooking spray and bake for 15 minutes
Season steak aggressively with seasoning and place on elevated wire rack
Broil on high for 6-10 minutes per side, keeping steak close to broiler
Let rest for 5 minutes while preparing cowboy butter sauce
Mix together Greek yogurt, lite butter, Dijon mustard, garlic paste, Worcestershire sauce, lemon juice, rosemary, parsley, and oregano to make cowboy butter
