Slice the Steak: Partially freeze the steak for 20–30 minutes, then slice very thin against the grain.
Cook the Pasta: Boil pasta in salted water until al dente. Drain and set aside, reserving ½ cup of pasta water.
Sear the Steak: Heat olive oil in a large skillet. Cook steak in batches for 1–2 minutes per side. Set aside.
Sauté Veggies: Add butter to the skillet, then sauté onion and bell peppers until soft and slightly caramelized, about 8 minutes. Stir in garlic for the last 30 seconds.
Make the Sauce: Add Worcestershire sauce, beef broth, and cream. Simmer 2–3 minutes. Reduce heat and stir in cream cheese and provolone until melted and smooth.
Combine: Add steak and pasta to the skillet. Toss gently. Add pasta water as needed to loosen sauce. Season with salt, pepper, and paprika.
Serve: Plate and garnish with extra cheese or parsley, if desired.