Cajun Beef Spaghetti in Creamy Three-Cheese Parmesan Sauce
Embark on a culinary journey with this incredibly rich and flavorful Cajun Beef Spaghetti. Tender, spice-kissed sirloin or ribeye mingles with perfectly al dente spaghetti, all enveloped in a decadent, velvety sauce crafted from heavy cream, cream cheese, mozzarella, and Parmesan. This dish promises a harmonious blend of creamy indulgence and a lively Cajun kick, making it an unforgettable meal for any occasion.
Prep Time
15 minutes
Cook Time
25 minutes
Total Time
40 minutes
Servings
4-6 servings
Keywords

Why This Recipe Delivers
- A perfect balance of creamy richness and a vibrant Cajun kick.
- Quick enough for a weeknight, impressive enough for guests.
- Utilizes tender beef and a luscious three-cheese sauce for ultimate satisfaction.
- One-pan sauce preparation simplifies cleanup.
- Highly customizable – adjust spice levels to your preference.
Ingredients
- 400g (approximately 14 ounces) spaghetti
- 450g (approximately 1 pound) diced sirloin or ribeye steak
- 30g (2 tbsp) Cajun seasoning
- 28g (2 tbsp) unsalted butter
- 3 cloves garlic, minced
- 355ml (1 1/2 cups) heavy cream
- 55g (1/2 cup) freshly grated Parmesan cheese, plus extra for serving
- 115g (1 cup) shredded mozzarella cheese
- 100g (approximately 1/2 cup) cream cheese, softened
- 2.5g (1/2 tsp) fine sea salt, or to taste
- 1.25g (1/2 tsp) freshly ground black pepper, or to taste
- 15g (2 tbsp) chopped fresh parsley, for garnish
Instructions
- Bring a large pot of heavily salted water to a rolling boil over high heat. Add the spaghetti and cook according to package directions until it is al dente, typically 8-10 minutes. This means it should be firm to the bite. Drain the spaghetti thoroughly, reserving about 60ml (1/4 cup) of the starchy pasta water for later use if needed to adjust the sauce consistency. Set the drained pasta aside to prevent sticking.
- While the spaghetti cooks, prepare the beef. Place the diced sirloin or ribeye steak in a medium bowl and sprinkle generously with the Cajun seasoning. Toss well to ensure every piece of beef is evenly coated. Heat a large, heavy-bottomed skillet or Dutch oven over medium-high heat. Once hot, add the butter and allow it to melt and foam. Add the seasoned beef to the hot skillet in a single layer, ensuring not to overcrowd the pan. Sear the beef for 2-3 minutes per side, turning occasionally, until it is beautifully browned and cooked through to your desired doneness. Remove the seared beef from the skillet and set it aside on a plate, preserving any delicious rendered juices.
- Using the same skillet, reduce the heat to medium. Add the minced garlic and sauté for approximately 1 minute, stirring constantly, until it becomes fragrant. Be careful not to let the garlic burn, as this can impart a bitter flavor. Pour in the heavy cream, then add the softened cream cheese, shredded mozzarella, and grated Parmesan cheese. Continuously stir the mixture with a whisk or wooden spoon, allowing all the cheeses to melt slowly and fully incorporate into a smooth, luxurious sauce. This process should take about 3-5 minutes. If the sauce appears too thick, stir in a small amount of the reserved pasta water, one tablespoon at a time, until you achieve your desired consistency.
- Return the seared beef, along with any accumulated juices, and the drained al dente spaghetti to the skillet with the creamy three-cheese sauce. Using a pair of tongs, gently toss everything together until the pasta and beef are thoroughly coated in the rich, cheesy sauce. Ensure the heat remains on low during this step to prevent the sauce from sticking or scorching.
- Taste the dish and adjust the seasoning with additional salt and freshly ground black pepper if necessary to enhance the flavors. Garnish generously with freshly chopped parsley just before serving. For an added touch, serve hot with extra grated Parmesan cheese and a dash of Cajun spice on the side for those who enjoy a bit more heat and flavor.

Tools You’ll Need
- Large pot for pasta
- Large, heavy-bottomed skillet or Dutch oven
- Tongs
- Whisk or wooden spoon
- Grater (for Parmesan, if not pre-grated)
- Measuring cups and spoons
Essential Success Tips
- Always cook pasta to al dente; it will continue to cook slightly when tossed with the hot sauce, preventing it from becoming mushy.
- Do not overcrowd the skillet when searing the beef. Cook in batches if necessary to ensure a good sear and even browning, which develops deeper flavor.
- When making the sauce, keep the heat at medium to low to prevent the cheeses from clumping or burning, ensuring a silky smooth consistency.
- If your sauce becomes too thick, a splash of the reserved pasta water is your best friend. Its starch helps thin the sauce while keeping it emulsified.
- Freshly grated Parmesan makes a noticeable difference in the sauce's texture and flavor compared to pre-shredded varieties.
Professional Cooking Secrets
- To achieve an even deeper flavor profile for the beef, consider marinating the diced steak in the Cajun seasoning with a tablespoon of olive oil for at least 30 minutes, or even overnight, before searing.
- For an extra layer of complexity in the sauce, deglaze the skillet with a splash of dry white wine (like Chardonnay) or beef broth after removing the seared beef and before adding the garlic. Scrape up any browned bits from the bottom of the pan to incorporate all that rich flavor.
- Elevate the creaminess by using full-fat heavy cream and ensuring your cream cheese is at room temperature before adding it to the sauce, which helps it melt seamlessly without lumps.

Notes
- Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop with a splash of milk or broth to loosen the sauce.
- For a lighter version, you can use chicken breast or shrimp instead of beef, adjusting cooking times accordingly.
- Feel free to add a handful of spinach or bell peppers to the sauce along with the garlic for added vegetables and color.
Frequently Asked Questions
Can I use a different type of pasta?
Absolutely! While spaghetti is traditional, this dish works wonderfully with other pasta shapes like fettuccine, linguine, penne, or rigatoni. Choose a shape that can hold the creamy sauce well.
Is this dish very spicy?
The spice level largely depends on the brand and amount of Cajun seasoning you use. Most Cajun seasonings provide a moderate kick, but you can always add a pinch of cayenne pepper for extra heat or opt for a milder blend if you prefer less spice. Adjust to your personal preference.
Can I prepare parts of this dish ahead of time?
You can prepare and season the beef ahead of time and store it in the refrigerator. The sauce is best made fresh and combined with freshly cooked pasta to maintain its optimal creamy texture. However, leftovers do reheat well.
Nutrition Facts (Per Serving)
Calories: Approximately 750-800, Protein: 45-50g, Fat: 50-55g, Carbs: 45-50g per serving. These are estimated values and can vary based on specific ingredient brands and quantities.
Allergy Information
Contains dairy and gluten. For a gluten-free option, use gluten-free spaghetti. To reduce dairy, consider using a dairy-free cream alternative and plant-based cheeses, though the flavor and texture will be altered.

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