Preheat Oven: Preheat your oven to 350°F (175°C).
Cook Pasta: Cook the ziti noodles according to package instructions until al dente. Drain and set aside.
Cook Beef: In a large skillet, heat olive oil over medium heat. Add ground beef and cook until browned, breaking it up with a spoon. Drain excess fat.
Season Beef: Stir in garlic powder, salt, and pepper until well combined.
Combine Ingredients: In a large mixing bowl, combine the cooked ziti, browned beef, and Alfredo sauce. Mix until everything is evenly coated.
Assemble Bake: Transfer the mixture to a greased 9×13-inch baking dish. Sprinkle mozzarella and Parmesan cheeses evenly over the top.
Bake: Bake in the preheated oven for 25–30 minutes, or until the cheese is melted and bubbly.
Serve: Remove from the oven and let it cool for a few minutes before serving. Garnish with chopped parsley if desired.
