Oven Baked Spaghetti Casserole

Oven Baked Spaghetti Casserole is a great comfort meal that you can prep ahead of time. It is perfect for potlucks, family gatherings or weeknight dinners. You can even freeze this meal and save for another time, making it a great freezer meal.

Course Main
Prep Time 5 minutes
Cook Time 40 minutes
Total Time 45 minutes
Servings 6 -8
Author Judy Hamann


  • 1 package 16 ounce, spaghetti
  • 1 pound ground beef
  • 1 whole onion chopped
  • 1 jar 32 ounce, meatless spaghetti sauce
  • 1/2 teaspoon seasoned salt
  • 2 large eggs
  • 1/3 cup grated Parmesan cheese
  • 5 tablespoons butter melted
  • 2 cups small curd cottage cheese divided
  • 4 cups shredded mozzarella cheese divided


  1. Preheat oven to 350 degrees F (175 degrees C).
  2. Lightly grease a 9x13-inch baking dish.
  3. Bring a large pot of lightly salted water to a boil.
  4. Cook spaghetti in boiling water, stirring occasionally until cooked through but firm to the bite, about 9-12 minutes, Drain.
  5. Heat a large skillet over medium heat; cook and stir beef and onion until meat is browned and onions are soft and translucent, about 7 minutes; Drain.
  6. Stir in spaghetti sauce and seasoned salt.
  7. Whisk eggs, Parmesan cheese, and butter in a large bowl.
  8. Mix in spaghetti to egg mixture and toss to coat.
  9. Place half the spaghetti mixture into baking dish.
  10. Top with half the cottage cheese, mozzarella, and meat sauce.
  11. Repeat layers.
  12. Cover with aluminum foil.
  13. Bake in preheated oven for 20 minutes.
  14. Remove foil and continue to bake until the cheese is melted and lightly browned, 20 to 25 minutes longer.
  15. Serve and enjoy!