Marinate the flank steak with salt, pepper, and olive oil for 15 minutes.
Cook the fettuccine pasta according to package instructions; drain and set aside.
Heat a skillet over medium-high heat and add olive oil.
Sear the steak for about 5-7 minutes on each side until desired doneness.
Remove steak, let it rest for 5 minutes, then slice against the grain.
In the same skillet, sauté minced garlic for 1 minute.
Add cherry tomatoes and cook until softened.
Pour in beef broth and let simmer for 2-3 minutes.
Combine the cooked pasta with the sauce, toss in the steak slices and parsley.
Serve with grated Parmesan cheese on top.