01 - Remove steaks from refrigerator 30 minutes before cooking to reach room temperature. Pat completely dry with paper towels.
02 - Generously season both sides of each steak with salt and pepper.
03 - Heat olive oil in large skillet over high heat until shimmering. Add steaks and sear 3-4 minutes per side for medium-rare, or until desired doneness achieved.
04 - Remove steaks from pan, cover loosely with foil, and let rest while preparing sauce.
05 - Reduce heat to medium. Add butter to same skillet. Once melted, add minced garlic and sauté 1 minute until fragrant.
06 - Pour in beef broth and scrape up browned bits from pan bottom. Stir in heavy cream and bring to gentle simmer.
07 - Add Dijon mustard and Parmesan cheese, stirring until smooth and slightly thickened, about 2-3 minutes.
08 - Stir in chopped parsley. Season with salt and pepper to taste.
09 - Slice rested steaks and serve topped with creamy garlic sauce. Garnish with additional parsley if desired.