Pappadeaux Cajun pasta is the dish people drive across town for: linguine in a silky, brick-red cream sauce loaded with shrimp, crawfish, and smoky andouille. This copycat recipe recreates it at home in 40 minutes with one skillet. Two restaurant-kitchen tricks make the difference: a quick shrimp-shell stock and Cajun seasoning added in layers.
What Is Pappadeaux Cajun Pasta?
Pappadeaux Seafood Kitchen is known for big Louisiana flavors, and its creamy Cajun pastas (including the much-loved Mardi Gras pasta) are some of the most requested dishes on the menu. The base is always the same: a buttery, garlicky cream sauce, a generous hit of Cajun spice, and plenty of seafood.
This is an inspired copycat, not Pappadeaux’s official recipe. It is built from the flavors diners recognize: smoky andouille, sweet crawfish, plump shrimp, Parmesan, and a sauce that clings to every strand of pasta.
Why This Copycat Tastes Like the Restaurant
Most copycat versions are just Alfredo with Cajun spice stirred in. That is why they taste flat. Pappadeaux’s pastas taste like a Louisiana kitchen because the sauce is built the way Creole cooks build a sauce, and this recipe follows the same steps.
- A seafood stock base. Simmering the shrimp shells for 15 minutes gives the sauce a deep, briny backbone that chicken stock can’t match. This is the single biggest upgrade.
- The holy trinity and a light roux. Onion, bell pepper, and celery cooked in butter, then thickened with flour, give the sauce body and sweetness so it doesn’t taste like plain cream.
- Andouille drippings. Browning the sausage first leaves smoky, spicy fat in the pan, and every later ingredient cooks in it.
- Layered seasoning. Spice on the shrimp, spice in the sauce, and a final taste at the end means the heat builds instead of sitting on top.
- Parmesan over low heat. Adding cheese gently keeps the sauce glossy and smooth, like the restaurant’s.
Your Cajun blend matters too. A fresh homemade mix, like this copycat Red Lobster Cajun seasoning, tastes brighter than most jars and lets you control the salt.
Pappadeaux Cajun Pasta Ingredients
This recipe makes 4 restaurant-size servings. Most of the ingredients are pantry staples. The only specialty items are crawfish tails and andouille sausage, and the notes below cover easy swaps for both.
- For the pasta and seafood
- Linguine or fettuccine: long, flat noodles that hold a cream sauce best
- Large shrimp with shells on: peeled and deveined, shells saved for stock
- Crawfish tail meat: thawed, with the flavorful fat from the package
- Andouille sausage: sliced into thin coins
- Olive or avocado oil: for searing
- Cajun seasoning: to coat the shrimp
- For the Cajun cream sauce
- Unsalted butter: keeps the salt under your control
- Yellow onion: finely diced
- Red bell pepper: finely diced
- Celery: finely diced
- Garlic: minced
- All purpose flour: for a light roux that thickens the sauce
- Shrimp shell stock or seafood stock: the base of the restaurant flavor
- Heavy cream: rich enough that the sauce won’t break
- Cajun seasoning: adjusted to taste
- Cayenne pepper: optional, for extra heat
- Parmesan: freshly grated for a silky, savory finish
- Lemon juice: fresh, to brighten the rich sauce
- For serving
- Green onions: thinly sliced
- Fresh parsley: chopped
- Extra Parmesan and lemon wedges: for the table
- The onion, bell pepper, and celery are Louisiana’s “holy trinity,” the same flavor base behind Cajun classics like this slow cooker jambalaya. It gives the sauce a sweetness and depth that spice alone can’t.
Ingredient Notes and Substitutions
- Shrimp (and their shells): Buy shell-on 16–20 count shrimp and peel them yourself. Save the shells for the stock below.
- Quick shrimp-shell stock: Simmer the shells with 3 cups water, an onion end, and a celery top for 15 minutes, then strain. You need 1 cup for the sauce. Freeze the rest for gumbo or étouffée.
- Crawfish tails: Look for frozen Louisiana crawfish tail meat in the seafood freezer. The yellow fat in the package is pure flavor, so add it to the sauce. No crawfish? Use an extra ½ lb shrimp or lump crab.
- Andouille: A true Cajun andouille is smoky and spicy. Kielbasa plus ½ tsp smoked paprika is the best stand-in.
- Cajun seasoning: Salt levels vary widely by brand. If yours lists salt first, cut the sauce seasoning to 1 tbsp and adjust at the end.
- Heavy cream: Full-fat cream holds up to the spice and acid without breaking. See the FAQs for lighter options.
How to Make Pappadeaux Cajun Pasta
Step 1: Boil the pasta. Cook the linguine in well-salted water until just al dente, 1 minute less than the package says. Save 1 cup of pasta water, then drain.
Step 2: Season the shrimp. While the water heats, start the shell stock. Pat the shrimp dry and toss with oil and 1 tbsp Cajun seasoning.
Step 3: Brown the andouille. In a large, deep skillet over medium-high heat, cook the sausage 4–5 minutes until browned. Move it to a plate, leaving the drippings behind.
Step 4: Sear the shrimp. Add the shrimp in a single layer and cook 1–2 minutes per side until pink and just opaque. Set them aside with the sausage. They will finish cooking in the sauce.
Step 5: Build the base. Lower the heat to medium. Melt the butter, add the onion, bell pepper, and celery, and cook 4–5 minutes until soft. Stir in the garlic for 30 seconds. Sprinkle in the flour and stir constantly for 1–2 minutes so the raw taste cooks out.
Step 6: Add the liquids. Slowly whisk in the stock, then the cream. Add 1½ tbsp Cajun seasoning and the cayenne, if using. Simmer 4–5 minutes until thick enough to coat a spoon. Turn the heat to low and stir in the Parmesan a handful at a time until smooth. Add the lemon juice, then taste and adjust the seasoning. Return the sausage and shrimp, add the crawfish, and simmer 2–3 minutes just to heat through.
Step 7: Toss and serve. Add the pasta and toss until every strand is coated, loosening with splashes of pasta water as needed. Top with green onions, parsley, and extra Parmesan.
Tips for the Best Copycat Cajun Pasta
- Season in layers. A little Cajun spice on the shrimp and the rest in the sauce gives deeper flavor than adding it all at once.
- Taste before salting. Cajun blends, andouille, stock, and Parmesan are all salty. Add extra salt only at the very end.
- Grate your own Parmesan. Pre-shredded cheese has anti-caking agents that can make the sauce grainy.
- Keep the heat low after the cream. A hard boil can make the sauce separate.
- Don’t overcook the seafood. Shrimp and crawfish only need to warm through in the sauce, or they turn rubbery.
Variations
- Blackened chicken Cajun pasta: Swap the seafood for 1½ lb sliced chicken breast rubbed with Paul Prudhomme’s blackened seasoning blend, seared until cooked through.
- Crab and scallop: Fold in lump crab meat and seared scallops for a fancier, special-occasion version.
- Lighter sauce: Use half-and-half instead of heavy cream and add a little more flour to thicken.
- Extra spicy: Double the cayenne and finish with a few dashes of Louisiana-style hot sauce.
What to Serve With Cajun Pasta
This pasta is rich, so pair it with something crisp or fresh: a simple green salad with lemon vinaigrette, garlic bread for soaking up the sauce, or roasted green beans. For a Pappadeaux-style feast, start with a plate of Bubba Gump-style Cajun shrimp as an appetizer.
Storage and Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently in a skillet over low heat with a splash of milk, cream, or stock to bring the sauce back to life. Avoid freezing; cream sauces tend to split and the seafood gets tough when thawed.
Pappadeaux Cajun Pasta FAQs
What is in Pappadeaux’s Cajun pasta? The restaurant’s creamy Cajun pastas typically combine shrimp, crawfish, and andouille sausage in a spiced cream sauce over pasta. This copycat uses those same core ingredients.
Is Pappadeaux Cajun pasta spicy? It has a noticeable but balanced kick. Leave out the cayenne for a milder sauce, or add more for restaurant-level heat.
Can I use frozen shrimp or crawfish? Yes. Thaw them fully in the refrigerator and pat them dry so they sear instead of steaming and watering down the sauce.
What pasta works best? Linguine and fettuccine hold creamy sauces best. Penne also works if you want a heartier, easier-to-eat bite.
Can I make it without heavy cream? Half-and-half works with a little extra flour. Milk alone makes a thin sauce that is more likely to break.
How do I keep the sauce from getting grainy? Use freshly grated Parmesan, add it over low heat, and stir it in a little at a time.
Pappadeaux Cajun Pasta Recipe
Description
Ingredients
- 1 lb linguine, or fettuccine
- 1 lb large shrimp, 16 to 20 count, shells on
- 8 oz cooked crawfish tail meat, thawed
- 8 oz andouille sausage, sliced into coins
- 1 tbsp olive oil, or avocado oil
- 1 tbsp Cajun seasoning
Ingredients for the Cajun cream sauce
- 4 tbsp unsalted butter
- 1 small yellow onion, finely diced
- 1 small red bell pepper, finely diced
- 1 rib celery, finely diced
- 5 cloves garlic, minced
- 2 tbsp all purpose flour
- 1 cup shrimp shell stock, or seafood stock
- 2 cups heavy cream
- 1½ to 2 tbsp Cajun seasoning
- ¼ tsp cayenne pepper, optional
- 1 cup freshly grated Parmesan
- 1 tsp fresh lemon juice
Ingredients for serving
- 3 green onions, thinly sliced
- 2 tbsp chopped fresh parsley
- Extra Parmesan and lemon wedges
Instructions
- Boil the pasta: Cook the linguine in well salted water until just al dente, 1 minute less than the package says. Save 1 cup of pasta water, then drain.
- Season the shrimp: While the water heats, start the shell stock. Pat the shrimp dry and toss with the oil and 1 tbsp Cajun seasoning.
- Brown the andouille: In a large, deep skillet over medium high heat, cook the sausage 4 to 5 minutes until browned. Move it to a plate, leaving the drippings behind.
- Sear the shrimp: Add the shrimp in a single layer and cook 1 to 2 minutes per side until pink and just opaque. Set them aside with the sausage.
- Build the base: Lower the heat to medium. Melt the butter, add the onion, bell pepper, and celery, and cook 4 to 5 minutes until soft. Stir in the garlic for 30 seconds. Sprinkle in the flour and stir constantly for 1 to 2 minutes.
- Add the liquids: Slowly whisk in the stock, then the cream. Add the Cajun seasoning and cayenne, if using. Simmer 4 to 5 minutes until thick enough to coat a spoon. Turn the heat to low and stir in the Parmesan a handful at a time, then the lemon juice. Taste and adjust. Return the sausage and shrimp, add the crawfish, and simmer 2 to 3 minutes to heat through.
- Toss and serve: Add the pasta and toss until every strand is coated, loosening with pasta water as needed. Top with green onions, parsley, and extra Parmesan.
Equipment
- Skillet
Notes
Nutrition
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