Step 1

In a skillet, season lean ground beef with garlic salt, to taste and cook until done (about 5 to 7 minutes). Add marinara and pizza sauce. Let simmer while making alfredo sauce.

Step 2

In a skillet over medium heat, melt butter. Add in parmesan cheese and whisk together until mcombined and melted. Slowly add in cream until combined. Next, add Italian seasoning and garlic and whisk until combined.

Step 3

In a bowl or measuring cup, beat the egg. Add a little of the Alfredo sauce to the egg to temper. Slowly pour the egg mixture into the skillet and whisk until combined. This will thicken the alfredo sauce. Turn the burner down to low to simmer while cooking the pasta.

Step 4

Add salt (to taste) to a large pot of boiling water and cook pasta according to package instructions to "al dente". It takes about 8 to 9 minutes. Drain pasta.

Step 5

Preheat oven to 350 degrees.

Step 6

In 9 X 13 or Casserole Dish. Layer the bottom of the dish with about ⅓ of the meat sauce on the bottom. Add ½ of the pasta on top of the meat sauce. Then pour all of the Alfredo sauce on top of the pasta. Next, layer on the remaining pasta. Finally, pour on the remaining meat sauce. Bake for 20 minutes at 350°F.

Step 7

Remove from the oven and top with shredded mozzarella cheese, and bake for 15 more minutes or until melted and golden. I like to broil mine for a minute or 2 to get the top a nice golden brown color.

Step 8

Let the spaghetti casserole set for 10 minutes and then garnish with fresh basil or oregano and serve.