Cajun Beef Spaghetti in Creamy Three-Cheese Parmesan Sauce
This exquisite dish marries the bold, smoky spice of Cajun-seasoned beef with the comforting embrace of perfectly cooked spaghetti, all enrobed in a velvety three-cheese sauce. Featuring a luxurious blend of Parmesan, mozzarella, and cream cheese, it transforms a simple weeknight meal into a gourmet experience that delivers a harmonious symphony of flavors.
Prep Time
15 minutes
Cook Time
25 minutes
Total Time
40 minutes
Servings
4 generous servings
Keywords

Why This Recipe Delivers
- Boasts a rich, deeply satisfying flavor profile with a delightful kick of authentic Cajun spice.
- Achieves restaurant-quality taste and texture with surprisingly straightforward steps, perfect for home cooks.
- Features tender, perfectly seared steak enveloped in a luxurious, creamy three-cheese sauce.
- A hearty and comforting meal that comes together efficiently in under 45 minutes, ideal for busy evenings.
- Offers a unique fusion of Southern spice and Italian-American comfort food, satisfying diverse palates.
Ingredients
- 400g (14 ounces) spaghetti
- 450g (1 pound) sirloin or ribeye steak, diced into 2.5 cm (1-inch) cubes
- 30g (2 tablespoons) Cajun seasoning, plus more for garnish if desired
- 28g (2 tablespoons) unsalted butter
- 3 cloves garlic, minced
- 360ml (1 1/2 cups) heavy cream (double cream)
- 50g (1/2 cup) freshly grated Parmesan cheese, plus more for serving
- 100g (1 cup) shredded mozzarella cheese
- 100g (about 7 tablespoons) cream cheese, softened and cut into smaller cubes
- 2.5g (1/2 teaspoon) salt, or to taste
- 2.5g (1/2 teaspoon) freshly ground black pepper, or to taste
- 30g (2 tablespoons) fresh parsley, chopped, for garnish
Instructions
- Cook the spaghetti. Bring a large pot of generously salted water to a rolling boil. Add the spaghetti and cook according to package directions until it is perfectly al dente, which means it's firm to the bite. Drain the cooked spaghetti, ensuring you reserve approximately 120ml (1/2 cup) of the starchy pasta water, and set it aside.
- Prepare and sear the Cajun beef. While the spaghetti is cooking, pat the diced sirloin or ribeye steak very dry with paper towels to ensure a good sear. In a medium bowl, toss the beef cubes thoroughly with the Cajun seasoning until each piece is evenly coated. Heat a large, deep skillet or Dutch oven over medium-high heat. Melt the butter until it shimmers and begins to foam. Add the seasoned beef in a single layer, making sure not to overcrowd the pan (cook in two batches if necessary). Sear for 2-3 minutes per side until a beautiful brown crust forms and the beef is cooked through to your desired doneness. Remove the seared beef from the skillet and transfer it to a plate, setting it aside.
- Build the creamy three-cheese sauce. Reduce the heat in the same skillet to medium-low. Add the minced garlic and sauté for about 1 minute, stirring constantly, until it becomes fragrant but not browned or burnt. Pour in the heavy cream and bring it to a gentle simmer. Introduce the softened cream cheese cubes, shredded mozzarella, and grated Parmesan cheese. Stir continuously with a whisk or wooden spoon until all the cheeses are completely melted and the sauce achieves a smooth, velvety consistency. Season the sauce with salt and freshly ground black pepper. If the sauce appears too thick, gradually whisk in a splash of the reserved pasta water until it reaches your preferred coating consistency.
- Combine the prepared elements. Return the perfectly seared Cajun beef and the drained al dente spaghetti to the skillet with the creamy three-cheese sauce. Using tongs, gently toss and coat everything thoroughly in the rich, cheesy sauce, ensuring that every strand of pasta and every piece of beef is lavishly covered.
- Finish and serve. Taste the combined dish and adjust the seasonings as needed. Transfer the Cajun Beef Spaghetti to individual serving bowls. Garnish generously with the fresh chopped parsley. Serve immediately, offering additional grated Parmesan cheese and a sprinkle of Cajun spice on the side for those who enjoy an extra layer of flavor and heat.

Tools You’ll Need
- Large pot (for cooking pasta)
- Large, deep skillet or Dutch oven
- Tongs
- Whisk or wooden spoon
- Measuring cups and spoons
- Cutting board
- Sharp knife
- Cheese grater (if using block cheese)
Essential Success Tips
- Ensure your steak is patted dry before seasoning and searing. This is crucial for achieving a beautiful, caramelized crust rather than steaming the meat.
- Do not overcrowd the skillet when searing the beef; cook in small batches if necessary. Overcrowding lowers the pan temperature and prevents proper browning.
- Always cook pasta to al dente as directed. It will continue to cook slightly when tossed with the warm sauce, preventing it from becoming mushy.
- Gradually add the cheeses to the simmering cream, stirring continuously. This ensures a smooth, lump-free sauce and prevents the cheese from seizing.
- Remember to reserve some pasta water! It is invaluable for adjusting the sauce's consistency, helping it cling beautifully to the pasta, and emulsifying the sauce.
Professional Cooking Secrets
- After searing the beef, deglaze the hot skillet with a splash of dry white wine or beef broth. Scrape up all the delicious browned bits (fond) from the bottom of the pan; these concentrated flavors will greatly enhance your sauce.
- For an even richer and slightly thicker sauce, you can add a small roux (equal parts melted butter and flour, cooked for 1-2 minutes) to the skillet after sautéing the garlic, then gradually whisk in the heavy cream.
- Ensure your cream cheese is at room temperature and cut into smaller cubes before adding it to the hot cream. This helps it melt smoothly and integrate seamlessly into the sauce, preventing any lumps.

Notes
- Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. When reheating, gently warm on the stovetop over low heat, adding a splash of milk or broth to revive the sauce's creamy texture.
- For a milder flavor, you can reduce the amount of Cajun seasoning or opt for a mild variety. For those who crave more heat, a pinch of cayenne pepper can be added with the Cajun seasoning.
- Consider adding the 'holy trinity' of Cajun cooking – finely diced bell peppers, onions, and celery – sautéed with the garlic to introduce more vegetable goodness and deepen the authentic Cajun flavors.
Frequently Asked Questions
Can I use a different type of beef for this recipe?
Yes, while sirloin or ribeye offer superior tenderness and flavor, you can certainly use other cuts like flank steak, top sirloin, or even ground beef. Adjust your cooking times accordingly for different cuts or ground meat.
What should I do if my three-cheese sauce turns out too thin or too thick?
If your sauce is too thin, allow it to simmer gently for a few more minutes to reduce and thicken slightly. If it's too thick, gradually whisk in a tablespoon or two of the reserved pasta water or a little extra heavy cream until it reaches your desired coating consistency.
Is this dish very spicy due to the Cajun seasoning?
The spiciness level largely depends on the specific brand and blend of Cajun seasoning you use. You can adjust the amount of seasoning to suit your personal preference for heat. Many brands offer mild or medium options if you prefer less spice.
Nutrition Facts (Per Serving)
Calories: Approximately 880, Protein: 55g, Fat: 65g, Carbs: 50g per serving.
Allergy Information
Contains dairy (heavy cream, Parmesan, mozzarella, cream cheese, butter) and gluten (spaghetti). For a gluten-free option, ensure you use gluten-free spaghetti.

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