Heat olive oil in a large skillet over medium heat. Add diced onion and cook until soft, about 3-4 minutes.

Stir in minced garlic and cook for another 30 seconds until fragrant.

Add ground beef and cook for 6-8 minutes until browned, breaking it up with a spoon. Drain excess fat if using 90/10 beef.

Stir in tomato paste, Italian seasoning, smoked paprika, salt, and pepper. Cook for 2 minutes to deepen the flavor.

Pour in beef broth and bring to a simmer. Let it cook for 5-6 minutes to reduce slightly. While this simmers, start boiling water for pasta in a separate pot.

Reduce heat to low. Add Greek yogurt or cottage cheese and stir gently until creamy. Avoid boiling.

Cook pasta according to package directions until al dente. Drain and add to skillet.

Fold in mozzarella and Parmesan until melted and creamy.

Sprinkle with chopped parsley if desired. Serve hot.