Pasta Mardi Gras Pappadeaux Recipe: Cajun Seafood and Sausage Celebration

This Cajun-inspired pasta brings the spirit of Mardi Gras to your table with bold flavors and vibrant colors. A celebration of seafood and sausage comes together in a creamy, spiced sauce that clings to every strand of pasta.

The dish combines tender shrimp, andouille sausage, and fresh vegetables in a rich, perfectly seasoned cream base. It’s a festive, restaurant-quality meal that’s easier to make at home than you might think.

Ingredients for Pasta Mardi Gras Pappadeaux

Bold Cajun flavors shine in this seafood and sausage pasta celebration on your plate.

The seafood needs to be fresh. Gulf shrimp are ideal for that authentic flavor—look for wild-caught at Whole Foods or your local fishmonger. Andouille sausage can be tricky to find outside Louisiana, but Aidells makes a solid version most supermarkets carry. Don’t skip the holy trinity (onion, bell pepper, celery)—it’s the base of all great Cajun cooking.

No andouille? Smoked sausage or kielbasa work in a pinch, though the flavor won’t be as bold. Shrimp can be swapped for crawfish if you’re feeling fancy (or can find them). For the cream base, half-and-half works but won’t be as rich. The Cajun seasoning is key—Tony Chachere’s is the gold standard, but any store brand will do. Fresh out of thyme? Use a pinch of oregano instead.

Leftovers keep 3-4 days in the fridge, but the sauce thickens as it cools. Thin with a splash of milk when reheating. Freezes well for up to 2 months if you leave out the shrimp (add those fresh later).

Step-by-Step Instructions for Pasta Mardi Gras Pappadeaux

Here’s how to bring this festive Cajun dish to life with bold flavors and creamy perfection.

Step 1: Sauté the Holy Trinity Base

Melt the ½ cup butter in a large skillet or Dutch oven over medium heat. Add the finely chopped yellow onion, diced red bell pepper, and diced 2 celery stalks. Cook for 5-7 minutes until the vegetables soften and the onion turns translucent.

This trio of vegetables, known as the Cajun holy trinity, builds the aromatic foundation for the dish. Stir occasionally to prevent browning—you want them tender, not caramelized. Once softened, add the minced 4 cloves garlic and cook for 30 seconds until fragrant.

Step 2: Brown the Andouille and Shrimp

Push the vegetables to one side of the pan and add the sliced 12 oz andouille sausage. Sear for 3-4 minutes until the edges turn golden brown. The sausage will release its smoky, spicy flavors into the pan, adding depth to the dish.

Next, add the 1 lb large shrimp in a single layer. Cook for 2-3 minutes per side until the shrimp turn opaque and pink. Remove the shrimp and sausage from the pan and set aside—they’ll finish cooking in the sauce later.

Step 3: Create the Creamy Cajun Roux and Sauce

Sprinkle the ¼ cup all-purpose flour over the vegetables in the pan, stirring constantly for 2 minutes to cook off the raw flour taste. This creates a light roux that thickens the sauce beautifully.

Slowly whisk in the 1 cup chicken stock, followed by the 1½ cups heavy cream. Stir in the 2 tbsp Cajun seasoning, 1 tsp paprika, 1 tsp dried thyme, 1 tsp salt, and ½ tsp black pepper. Simmer for 5 minutes until the sauce thickens enough to coat the back of a spoon.

Step 4: Combine Everything and Finish

Return the shrimp and andouille sausage to the pan, stirring to coat them in the creamy sauce. Let everything simmer together for 3-4 minutes so the flavors meld. Taste and adjust the seasoning if needed—Cajun seasoning can vary in saltiness.

While the sauce simmers, cook the 12 oz fettuccine pasta according to package instructions until al dente. Drain well and add it directly to the skillet. Toss everything together gently to ensure the pasta is evenly coated in the rich, creamy sauce.

Step 5: Garnish and Serve

Remove from heat and let the dish rest for 2 minutes to allow the flavors to settle. Garnish with the thinly sliced 4 green onions and chopped ¼ cup fresh parsley for a pop of color and freshness.

Serve immediately while hot, with extra Cajun seasoning on the side for those who like a little more heat. Each bite should deliver tender shrimp, smoky sausage, and a velvety sauce clinging to every strand of pasta.

Common Mistakes When Making This Dish

Overcooking the Shrimp

Shrimp cook fast—just 2-3 minutes per side over medium heat. I see many home cooks leave them in too long, turning them rubbery. Remove them early; they’ll finish cooking in the hot sauce later. 🔥

Skipping the Roux

Don’t rush the 2-minute roux with butter and flour. This step thickens the sauce and removes the raw flour taste. Stir constantly to avoid burning—it should look like wet sand when done.

Crowding the Pan

When browning the 12 oz andouille and 1 lb shrimp, don’t overcrowd the pan. Cook them in batches if needed. Overcrowding steams the meat instead of searing, which dilutes the smoky, spicy flavors.

Underseasoning the Sauce

Cajun seasoning is bold, but brands vary. Taste your sauce after adding the 2 tbsp Cajun seasoning and adjust. I often add an extra ½ tsp if it needs more kick. The flavors should sing!

Overcooking the Pasta

Cook your 12 oz fettuccine to al dente—about 1 minute less than package instructions. It’ll continue cooking in the hot sauce, absorbing all that rich, creamy goodness. 💡

Resting Too Long

This dish is best served immediately. If it sits too long, the sauce thickens and the pasta absorbs it all. Let it rest just 2 minutes to settle, then dig in while everything’s hot and vibrant.

Frequently Asked Questions