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A sliced portion of Million Dollar Spaghetti on a plate

Million Dollar Spaghetti

Million Dollar Spaghetti brings the best of spaghetti to the best of lasagna and marries them together. Don't shy away from this crowd-pleasing casserole!
Course Main Course
Cuisine American
Keyword How Do I Make Million Dollar Spaghetti, How To Make Million Dollar Spaghetti, Million Dollar Spaghetti, Million Dollar Spaghetti Recipe
Prep Time 30 minutes
Cook Time 45 minutes
Total Time 1 hour 15 minutes
Servings 12 servings
Calories 616kcal
Author Kathleen


  • 16 ounces dried spaghetti noodles
  • 1 cup (1 Medium) yellow onion chopped
  • 4 cloves garlic minced
  • 1 1/2 pounds sweet Italian sausage casing removed
  • 6 cups homemade marinara sauce,-divided or 2 (24-ounce) jars marinara sauce
  • 8 ounces cottage cheese or ricotta cheese
  • 8 ounces cream cheese
  • 1/4 cup sour cream
  • 3 teaspoons dried Italian seasoning
  • 3 cups mozzarella shredded-divided
  • salt
  • pepper
  • 1/2 cup butter cut into slices-divided


  • Preheat oven to 350°F.
  • Bring a large pot of water, with 1 tablespoon of salt, to a boil. Cook pasta according to the package. Drain well, then return pasta to the original pot, and add 3 cups or 1 jar of prepared marinara sauce and combine. Set aside.
  • In a large skillet, heat 2 tablespoons of olive oil over medium heat until it shimmers. Add onion and garlic and cook until they begin to soften about 5 minutes. Add sausage to skillet, and brown, crumbling sausage with a wooden spoon. Cook until there is no longer any pink in sausage. Drain well. Add the remaining 3 cups or 1 jar marinara sauce to the skillet. Set aside.
  • In a medium mixing bowl, combine Cottage cheese or ricotta cheese, cream cheese, sour cream, 1 cup mozzarella, and Italian seasoning. Set aside.
  • Place half the sliced butter in the baking dish. Spread half the spaghetti in the dish, then spread the cheese mixture evenly over the spaghetti. Top with the remaining butter slices. Spread remaining spaghetti over cheese mixture. Pour tomato meat sauce evenly over the top layer of spaghetti.
  • Top with remaining mozzarella and bake in the preheated oven until casserole is heated through about 35-45 minutes.


Serving: 1/12 of the recipe | Calories: 616kcal | Carbohydrates: 39g | Protein: 24g | Fat: 41g | Saturated Fat: 20g | Cholesterol: 112mg | Sodium: 1388mg | Potassium: 707mg | Fiber: 3g | Sugar: 8g | Vitamin A: 1235IU | Vitamin C: 10.4mg | Calcium: 229mg | Iron: 2.7mg