Pasta Mardi Gras Pappadeaux Recipe: Cajun Cream Sauce With Shrimp and Sausage

This Cajun-inspired pasta dish brings the bold flavors of Mardi Gras to your table with a rich, creamy sauce that perfectly balances spicy andouille sausage and tender shrimp. The recipe captures the essence of Pappadeaux’s signature style, combining traditional Creole seasonings with restaurant-quality technique.

What sets this dish apart is the careful layering of flavors—sautéed trinity vegetables form the aromatic base, while a velvety cream sauce infused with Cajun spices ties everything together. The result is a vibrant, satisfying meal that celebrates the festive spirit of New Orleans in every bite.

Ingredients for Pasta Mardi Gras Pappadeaux

This professional-grade ingredient list captures Pappadeaux’s signature Cajun cream sauce with authentic andouille, Gulf shrimp, and trinity vegetables for foundational depth.

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The andouille sausage and shrimp quality are non-negotiable for authentic flavor. Optimal sourcing includes Johnsonville andouille (widely available) or Savoy’s for premium quality. For shrimp, wild-caught Gulf shrimp (16/20 count) provides the ideal texture and sweetness. The trinity vegetables—onion, bell pepper, celery—should be fresh and firm, with equal 1:1:1 ratio for balanced aroma. Professional kitchens use Diamond Crystal kosher salt for its clean flavor and precise measurement properties.

Substitutions require careful consideration to maintain flavor integrity. Kielbasa sausage can replace andouille in a pinch, though the smokiness will be reduced. For seafood alternatives, scallops or crawfish work well with adjusted cooking times. The Cajun seasoning blend is critical—Tony Chachere’s or Slap Ya Mama are recommended commercial options. Heavy cream alternatives like half-and-half will compromise sauce richness, while coconut cream offers a dairy-free option with flavor adaptation.

Storage and preparation timing are crucial for restaurant-quality results. Shrimp should be used within 24 hours of purchase or frozen immediately. The trinity vegetables can be pre-diced and stored in airtight containers for 3-4 days. Completed sauce holds at proper temperature for 2 hours before quality degradation. For make-ahead preparation, cook pasta al dente separately and combine with reheated sauce to prevent mushiness.

Step-by-Step Instructions for Pasta Mardi Gras with Cajun Cream Sauce

Master this restaurant-quality dish by building layers of flavor through proper technique and timing.

Step 1: Prepare the Trinity and Protein Foundation

Begin by heating a large Dutch oven over medium-high heat. Add 2 tablespoons unsalted butter and allow it to melt completely. Immediately add the 12 oz Andouille sausage sliced into ½-inch rounds and cook for 4-5 minutes until the edges develop a deep caramelization.

Using a slotted spoon, transfer the sausage to a paper towel-lined plate, leaving the rendered fat in the pot. This fat will serve as the flavor base for your trinity. Add the yellow onion, green bell pepper, and celery stalks all medium-diced to the pot. Cook for 6-8 minutes until the vegetables soften and the onions become translucent.

Add the 1 lb large shrimp to the pot and cook just until they turn pink, about 2-3 minutes per side. Remove the shrimp with tongs and set aside with the sausage. The shrimp will finish cooking in the sauce later, preventing overcooking.

Step 2: Build the Roux and Develop the Sauce Base

Reduce heat to medium and add the remaining 2 tablespoons unsalted butter to the pot. Once melted, whisk in the 2 tablespoons all-purpose flour to form a roux. Cook for 2-3 minutes, stirring constantly, until the mixture reaches a light peanut butter color.

Immediately add the 4 cloves garlic cloves minced finely and cook for 30 seconds until fragrant. Pour in the 1 cup chicken stock while whisking vigorously to prevent lumps. The mixture will thicken noticeably as it comes to a simmer.

Stir in the 2 tablespoons Cajun seasoning, 1 teaspoon smoked paprika, 1 teaspoon Worcestershire sauce, and 1 teaspoon hot sauce. Cook for 1 minute to allow the spices to bloom and deepen in flavor. This step creates the complex foundation for your cream sauce.

Step 3: Create the Cream Sauce and Incorporate Pasta

Pour in the 1.5 cups heavy cream and stir to combine. Bring the mixture to a gentle simmer and cook for 5-7 minutes until the sauce reduces slightly and coats the back of a spoon. The sauce should be velvety but still pourable.

While the sauce reduces, cook the 12 oz penne pasta in salted boiling water until al dente, about 1 minute less than package directions. Drain the pasta, reserving ½ cup of pasta water. Add the cooked pasta directly to the sauce along with the reserved sausage and shrimp.

Stir gently to coat all ingredients, adding reserved pasta water 1 tablespoon at a time if needed to achieve your desired consistency. The sauce should cling to the pasta without pooling at the bottom of the pot. Season with 1.5 teaspoons kosher salt and ½ teaspoon freshly ground black pepper.

Step 4: Finish and Present the Dish

Remove the pot from heat and let the pasta rest for 2-3 minutes. This allows the flavors to meld and the sauce to thicken slightly. The shrimp should be perfectly cooked through at this point, with a firm yet tender texture.

Transfer the pasta to a large serving bowl or individual plates. Garnish with the ¼ cup fresh flat-leaf parsley chopped and 3 whole green onions thinly sliced on the diagonal. The fresh herbs add brightness and contrast to the rich, smoky flavors of the dish.

Serve immediately while hot. Each serving should showcase the creamy sauce coating the pasta, with visible pieces of andouille sausage and shrimp throughout. The dish should present with vibrant colors from the trinity vegetables and fresh herb garnish.

Dietary Considerations for These Flavors

Gluten-Free Adaptation

For a gluten-free version, swap the 12 oz penne pasta with Jovial brown rice penne or Barilla gluten-free pasta. These brands hold up well to the rich sauce without turning mushy. Cook the gluten-free pasta for exactly 1 minute less than package instructions to maintain al dente texture. 💛

Dairy-Free Modification

Replace the 1.5 cups heavy cream with full-fat coconut milk (I like Thai Kitchen brand) for a creamy texture. The coconut adds a subtle sweetness that pairs surprisingly well with Cajun spices. Use Earth Balance buttery sticks instead of regular butter for sautéing.

Lower-Carb Option

Cut carbs by using zucchini noodles or shirataki noodles instead of pasta. If using zucchini, salt and drain the noodles first to prevent watery sauce. For shirataki, rinse thoroughly and pan-fry for 2-3 minutes to remove excess moisture before adding to the sauce.

Seafood Allergy Alternative

For those avoiding shrimp, substitute with chicken breast or mushrooms. Cut 1 lb chicken breast into bite-sized pieces and cook until reaching 165°F internal temperature. For mushrooms, use 8 oz cremini sliced and sautéed until golden.

Vegetarian Adaptation

Omit the shrimp and sausage, replacing them with 14 oz extra-firm tofu pressed and cubed. Sear the tofu in 2 tbsp olive oil until golden on all sides. Add 1 tsp liquid smoke to the sauce for that smoky depth normally provided by the andouille.

Reduced-Sodium Version

Use low-sodium chicken stock and reduce the Cajun seasoning to 1 tbsp. Omit the added 1.5 tsp kosher salt entirely, letting diners adjust salt at the table. The andouille sausage still provides plenty of flavor, and you can boost umami with 1 tsp fish sauce if desired. ✨