Preheat the oven

• Set the oven to 350 °F (175 °C).

Boil the pasta

• Boil the cavatappi in salted water until al dente.
• Drain and set aside.

Make the meat sauce

• Sauté the onion in olive oil until translucent.
• Add the ground beef, break it apart and cook until browned.
• Stir in the oregano and garlic powder.
• Add the marinara sauce, mix and set aside off the heat.

Assemble the dish

• In a large baking dish, combine the cavatappi and Alfredo sauce.
• Scoop the meat sauce on top.
• Layer with mozzarella and oregano.

Bake

• Bake for 15 minutes.
• Broil the last 2 minutes if desired.

Serve

• Serve hot and enjoy.