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Created by Chef Remy
Sweet Louisiana crawfish swimming in a velvety, butter-rich sauce with garlic and jalapenos, tangled through ribbons of tender fettuccine, finished with enough cheese to make you close your eyes and sigh.
This dish right here is what happens when Cajun country meets Italian comfort. My grandmother Evangeline never made fettuccine in her life, but she would have understood this dish in her bones. It follows the same principle as every great Louisiana recipe: build flavor in layers, cook with generous hands, and never apologize for butter.
Crawfish fettuccine became a Louisiana classic because it makes perfect sense. You take our sweet, tender crawfish tails and you give them a sauce worthy of their delicate flavor. The cream and cheese provide richness. The jalapenos and garlic bring heat and depth. The holy trinity anchors everything in tradition. At Lagniappe, we serve this on Friday nights, and people drive from three parishes away for a plate.
The secret is in the sauce. You build it slow, starting with butter and aromatics, letting the onions go translucent and sweet before the cream ever touches the pan. Season at every step. Taste as you go. By the time those crawfish hit the sauce, they're sliding into a bath of flavor that's been building for thirty minutes. That's the bayou way.
Quantity
1 pound
with fat reserved if available
Quantity
1 pound
Quantity
1/2 cup (1 stick)
divided
Quantity
1 medium
diced fine
Quantity
1 medium
diced fine
Quantity
2 stalks
diced fine
Quantity
4 cloves
minced
Quantity
2
seeded and minced
Quantity
2 cups
Quantity
8 ounces
cut into cubes and softened
Quantity
1 cup
freshly grated
Quantity
1/2 cup
sliced thin
Quantity
2 tablespoons
chopped
Quantity
1 teaspoon, plus more to taste
Quantity
1/2 teaspoon, or to taste
Quantity
1/2 teaspoon
Quantity
1/2 teaspoon
freshly cracked
Quantity
1 teaspoon, plus more for pasta water
Quantity
1/4 teaspoon
| Ingredient | Quantity |
|---|---|
| Louisiana crawfish tailswith fat reserved if available | 1 pound |
| fettuccine pasta | 1 pound |
| unsalted butterdivided | 1/2 cup (1 stick) |
| yellow oniondiced fine | 1 medium |
| green bell pepperdiced fine | 1 medium |
| celerydiced fine | 2 stalks |
| garlicminced | 4 cloves |
| jalapeno peppersseeded and minced | 2 |
| heavy cream | 2 cups |
| cream cheesecut into cubes and softened | 8 ounces |
| Parmesan cheesefreshly grated | 1 cup |
| green onion topssliced thin | 1/2 cup |
| fresh parsleychopped | 2 tablespoons |
| Cajun seasoning | 1 teaspoon, plus more to taste |
| cayenne pepper | 1/2 teaspoon, or to taste |
| smoked paprika | 1/2 teaspoon |
| black pepperfreshly cracked | 1/2 teaspoon |
| kosher salt | 1 teaspoon, plus more for pasta water |
| white pepper | 1/4 teaspoon |
Pat the crawfish tails dry with paper towels and place them in a bowl. Season with half the Cajun seasoning, a pinch of cayenne, and a little salt. Toss gently to coat. This is your first layer of flavor. The crawfish need their own seasoning before they ever meet the sauce. Set them aside while you build everything else.
Fill your largest pot with water and set it over high heat. When it reaches a rolling boil, salt it generously. The water should taste like the Gulf of Mexico. You will cook the pasta later, but getting this water ready now means everything comes together at the right moment.
Melt 4 tablespoons of butter in a large, deep skillet or Dutch oven over medium heat. Add the diced onion, bell pepper, and celery. This is your holy trinity, the foundation of everything good in Louisiana cooking. Cook, stirring occasionally, until the onions turn translucent and sweet, about 8 to 10 minutes. You should smell that distinctive Cajun aroma filling your kitchen.
Add the minced garlic and jalapenos to the trinity. Cook for another 2 minutes, stirring constantly, until the garlic becomes fragrant but has not taken on color. You want that sharp garlic smell to mellow into something round and sweet. The jalapenos will soften and release their oils into the butter.
Pour in the heavy cream and stir to combine with the aromatics. Add the remaining Cajun seasoning, smoked paprika, black pepper, white pepper, and the remaining salt. If you have reserved crawfish fat, add it now. Bring the sauce to a gentle simmer, then reduce heat to medium-low. Let it bubble lazily for 5 minutes, allowing the cream to thicken slightly and absorb the flavors from the trinity.
Reduce heat to low. Add the cream cheese cubes, stirring constantly until they melt completely into the sauce. The mixture will become silky and luxurious. Add the Parmesan gradually, stirring after each addition until melted and smooth. Taste the sauce now. Adjust salt and cayenne. The sauce should have a gentle warmth that builds, not a punch that knocks you back.
Drop the fettuccine into your boiling salted water. Cook according to package directions minus one minute. You want it just shy of al dente because it will finish cooking in the sauce. Reserve one cup of pasta water before draining. That starchy water is insurance for your sauce.
Return sauce to medium heat. Add the seasoned crawfish tails and stir gently. Cook for 3 to 4 minutes, just until the crawfish are heated through and have released some of their juices into the sauce. Crawfish tails are already cooked. Overcooking turns them rubbery. You want them tender and sweet, just warmed in that rich cream.
Add the drained fettuccine directly to the skillet with the sauce. Toss everything together using tongs, coating every strand with that creamy, crawfish-studded sauce. If the mixture seems tight, add pasta water a few tablespoons at a time until you reach a consistency that clings to the noodles but pools slightly on the plate. Cut the remaining 4 tablespoons of butter into pieces and stir them in off the heat. This gives you that restaurant gloss.
Fold in most of the green onions and parsley, reserving some for garnish. Give it one final taste. Adjust seasoning if needed. Serve immediately in warm bowls, topped with the remaining green onions, a shower of parsley, and another crack of black pepper. This dish does not wait. Get it to the table while it is still sending up that beautiful aroma.
1 serving (about 370g)
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