Ingredients

• 1 tablespoon brown sugar
• 1 tablespoon montreal steak seasoning
• 2 teaspoons garlic powder
• 2 teaspoons onion powder
• 1 (2 ¾ pound) tomahawk steak (3-inch thick bone-in ribeye)
• 1/4 cup salted butter, at room temperature
• 1 tablespoon minced shallot
• 1 clove garlic, minced
• 1 tablespoon chopped fresh chives
• 2 teaspoons reserved steak rub