The Best Spaghetti Casserole

The Best Spaghetti Casserole

This quick and simple spaghetti casserole dish made with ground beef is incredibly flavorful, filling, and cheesy.

Twenty minutes for preparation

Cook for 40 minutes.

One hour in total

Servings: 12


  1. cooking spray
  2. Twelve ounces of raw spaghetti
  3. One container (8 ounces) of softened cream cheese
  4. One 8-oz carton of sour cream
  5. Two cups of part-skim mozzarella cheese, chopped and divided
  6. Two tsp olive oil
  7. 1/4 cup of ground sirloin
  8. ½ cup finely sliced onion, yellow
  9. two tsp coarsely minced, chopped garlic
  10. Two tsp of Italian seasoning
  11. One tsp of kosher salt
  12. ½ teaspoon of black pepper, ground
  13. Two 24-oz jars of marinara or spaghetti saucesauc
  14. ½ cup of cheese Parmesan


  • Turn the oven on to 350 degrees Fahrenheit (175 degrees Celsius). Apply cooking spray to a 9 x 13-inch baking dish and set it aside. Boil spaghetti for 8 to 10 minutes, or until cooked through but still firm to the biting, in plenty of salted water. After draining, set away.
  • Cream cheese, sour cream, and one cup of mozzarella cheese should be blended and placed away while the pasta boils.
  • In a large skillet with high sides, heat the olive oil over medium-high heat. Large chunks of meat should be added. Cook, uncovered, for two minutes, or until lightly browned.
  • Add the garlic, onion, salt, pepper, and Italian seasoning. Cook for a further 3 minutes or until the meat is almost done, breaking it up into smaller pieces with a wooden spoon and stirring now and again. Take the pan off of the heat and tilt it.must attempt to maintain the meat mixture on one side while collecting grease on the other. Grease can be removed with a big spoon and disposed of after it cools.
  • Stir together the marinara and the beef mixture in the skillet. Add the pasta that was set aside. Until the sauce is well coated, fold and mix.
  • Spoon half the spaghetti mixture into the baking dish that has been prepared. After evenly spreading the sour cream mixture over the pasta mixture in the baking dish, add the remaining pasta mixture on top.
  • Evenly distribute the final cup of mozzarella over the spaghetti mixture. After placing the baking dish on a baking sheet, loosely cover with aluminum foil.
  • Bake for about 30 minutes in a preheated oven, or until the cheese has melted. Take off the aluminum foil and add some Parmesan cheese on top. Raise the oven’s setting to broil.
  • Broil for three to four minutes, or until the cheese has begun to become golden brown. After adding parsley, serve.
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