01 - Cook the pasta according to package instructions until al dente. Drain thoroughly and set aside.
02 - Heat a large nonstick skillet over medium-high heat. Add the ground beef or shaved steak and cook until browned, approximately 5-6 minutes. Drain any excess fat if needed.
03 - Add the diced onion, bell pepper, and sliced mushrooms to the skillet. Sauté for 5-7 minutes until vegetables are softened and fragrant. Stir in minced garlic and cook for 1 additional minute.
04 - Add Worcestershire sauce, smoked paprika, salt, black pepper, and chili flakes. Stir thoroughly to distribute seasonings evenly.
05 - Reduce heat to low. Stir in cottage cheese and milk, mixing continuously until the cottage cheese melts completely and forms a smooth, creamy sauce.
06 - Add the cooked pasta to the skillet. Gently fold everything together until the pasta is evenly coated with the sauce and distributed throughout the beef and vegetables.
07 - Sprinkle provolone and mozzarella cheeses evenly over the top. Cover the skillet and let sit for 2-3 minutes until the cheese is fully melted and bubbly.
08 - Serve hot, garnished with chopped fresh parsley if desired.