Million Dollar Spaghetti Alfredo – 35-Minute Recipe

This Million Dollar Spaghetti Alfredo is a hearty, filling, and comforting casserole made with spaghetti, a combination of red meat sauce and homemade alfredo sauce, and lots of cheese. It's perfect for a weeknight dinner or a special occasion.

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Million Dollar Spaghetti Alfredo – 35-Minute Recipe

Prep Time

15 min

Cook Time

20 min

Servings

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From bellyfull.net · View the original →

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Cooking context

35 min estimated total time for 6 servings.

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Ingredients

  • 1 lb spaghetti
  • 1 lb ground beef
  • 1 lb ground pork
  • 1 onion
  • 1 green bell pepper
  • 5 cloves garlic
  • 28 oz marinara sauce
  • 1/2 cup butter
  • 2 cup heavy cream
  • 1 cup Parmesan cheese
  • 1 tsp Italian seasoning
  • 1 tsp salt
  • 1 tsp pepper
  • 8 oz mozzarella cheese

Instructions

  1. 1
    Preheat the oven to 350°F. Coat a 9x13 casserole dish with nonstick spray.
  2. 2
    Cook the spaghetti al dente, according to the package directions. Drain and set aside.
  3. 3
    Cook the beef, pork, onion, bell pepper, and half the garlic in a large skillet over medium-high heat, breaking up the meat into tiny crumbles, until the meat is no longer pink and the vegetables are tender. Drain off the grease, then stir in the marinara sauce until incorporated. Set the sauce to the side.
  4. 4
    Melt the butter in a large pot over medium-high heat. Add in the remaining garlic and cook until fragrant, about 20 seconds. Stir in the heavy cream, parmesan, Italian seasoning, salt, and pepper. Cook until the sauce has started to thicken.
  5. 5
    Add in the cooked spaghetti and toss until the noodles are fully coated, then dump it into the prepared casserole dish in an even layer.
  6. 6
    Pour the meat sauce over the Alfredo spaghetti and top with the mozzarella cheese.
  7. 7
    Bake, uncovered, for about 20 minutes or until the cheese is bubbly.
  8. 8
    Remove the casserole from the oven and let it rest for a few minutes before serving.
  9. 9
    Serve hot, garnished with additional parmesan cheese and parsley if desired.
  10. 10
    Enjoy with some crusty bread!

Helpful tips while cooking

AI-assisted notes grounded in this recipe's ingredients, timings, and method—not additional creator instructions.

Cook Pasta Al Dente

Follow the package directions to cook the spaghetti al dente, then drain and set aside before mixing with sauce.

Garlic Timing in Alfredo

Add the remaining garlic to the melted butter and cook only until fragrant, about 20 seconds, before adding cream.

Rest Before Serving

Let the baked casserole rest a few minutes after removing from the oven to allow the cheese to set.

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Frequently asked questions

How long does it take to make Million Dollar Spaghetti Alfredo?
About 35 minutes in total: 15 minutes of prep and 20 minutes of cooking.
How many servings does this Million Dollar Spaghetti Alfredo recipe make?
This recipe makes 6 servings as written; ingredient quantities on this page can be scaled.
Where does this Million Dollar Spaghetti Alfredo recipe come from?
It was shared on bellyfull.net. ReelsMeals structured the original post into this step-by-step card; the original is linked above.
How many calories are in Million Dollar Spaghetti Alfredo?
Roughly 799 kcal, based on the nutrition details captured with this recipe. Treat it as an estimate.