Cook pasta in salted water until al dente. Drain and set aside.
Heat olive oil in a large skillet over medium-high heat. Sear steak quickly until browned. Remove and set aside.
Add butter to the skillet. Sauté onions and bell peppers until soft and lightly caramelized.
Add garlic and cook 30 seconds until fragrant.
Lower heat and stir in cream cheese and beef broth until smooth.
Add provolone and mozzarella, stirring until melted and creamy.
Return steak and pasta to the skillet and toss until fully coated.
Season with salt and pepper. Serve hot.