1. In a small bowl, mix together the garlic, rosemary, salt, and pepper. Rub the mixture all over the beef steak, making sure it's evenly coated.
2. Heat the olive oil in a large skillet over medium-high heat. Once hot, add the beef steak to the skillet and cook for 3-4 minutes on each side, until browned and cooked through.
3. Remove the beef from the skillet and let it rest for 5 minutes before slicing and serving. Enjoy your delicious garlic and rosemary steak beef!