Preheat the Oven: Start by preheating your oven to 350°F (175°C).

Cook the Pasta: In a large pot of salted boiling water, cook the macaroni until al dente. Drain and set aside.

Brown the Beef: In a large skillet over medium heat, add the ground beef. Cook until browned, then drain the excess fat.

Add Aromatics: Toss in the diced onion and minced garlic, cooking until fragrant, about 2-3 minutes.

Mix in Sauces: Stir in the diced tomatoes (with juice), tomato sauce, Italian seasoning, salt, and pepper. Let simmer for about 5-7 minutes.

Combine with Pasta: Add the cooked macaroni to the skillet, mixing well to combine everything.

Layer with Cheese: In a 9x13 inch casserole dish, layer half of the pasta mixture at the bottom. Sprinkle half of the cheddar cheese on top. Repeat with the remaining pasta and finish with the rest of the cheese. Sprinkle the Parmesan over the top.

Bake: Cover with aluminum foil and bake for 20 minutes, then remove the foil and bake for an additional 10-15 minutes, or until the cheese is bubbly and golden brown.

Serve and Enjoy: Once done, let it cool for a few minutes before serving.