Creating Beef Lombardi Casserole is easy. Follow these steps for a delicious outcome:

1. Preheat Oven: Begin by preheating your oven to 350°F (175°C).
2. Cook Beef: In a large skillet, brown the ground beef over medium heat. Break it up with a spatula as it cooks.
3. Add Onions and Garlic: Stir in the diced onion and minced garlic. Cook until the onion is translucent.
4. Mix in Tomatoes and Beans: Add the diced tomatoes, tomato paste, and kidney beans to the skillet. Stir well to combine.
5. Season: Sprinkle in the Italian seasoning, salt, and pepper. Let it simmer for about 5 minutes to meld the flavors.
6. Combine with Pasta: In a large bowl, mix the cooked elbow macaroni with the beef mixture until evenly coated.
7. Layer in Casserole Dish: Spoon half of the beef and pasta mixture into a greased 9×13 inch casserole dish. Spread it evenly across the bottom.
8. Add Cheese Layer: Sprinkle half of the shredded mozzarella and cheddar cheeses over the pasta mixture.
9. Repeat Layers: Add the remaining beef and pasta mixture on top, followed by the rest of the cheeses.
10. Bake: Cover the casserole with aluminum foil and bake for 30 minutes. Then, remove the foil and bake for an additional 15 minutes until the cheese is bubbly and golden.
11. Cool and Serve: Take it out of the oven and let it sit for about 5 minutes before serving. This allows the casserole to set a bit.

By following these steps, you’ll create a Beef Lombardi Casserole that is not only easy to make but also wonderfully satisfying.