Creating the Simple Baked Beef and Pasta Casserole is an enjoyable process. Follow these steps to ensure success:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Cook Pasta: In a pot, boil water and cook the pasta according to package instructions until al dente. Drain and set aside.
3. Brown the Beef: In a large skillet over medium heat, cook the ground beef until browned. Season with salt, pepper, and Italian seasoning.
4. Mix Ingredients: In a large bowl, combine the cooked pasta, marinara sauce, browned beef, and half of the mozzarella cheese. Mix well until everything is coated.
5. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish, spreading it evenly.
6. Add Cheese Topping: Sprinkle the remaining mozzarella cheese and all the Parmesan cheese on top of the casserole.
7. Bake: Place the casserole in the preheated oven and bake for 25-30 minutes or until the cheese is bubbly and golden brown.
8. Cool and Serve: Once done, allow it to cool for a few minutes before serving. This helps set the flavors and makes it easier to serve.