Fish & Seafood

Seafood Boil Noodles (Cajun Garlic Butter)

★★★★★5.0

Seafood boil noodles: ramen topped with crab legs, shrimp and smoked sausage in a spicy Cajun garlic butter sauce. One skillet, ready in 25 minutes.

Why you’ll love this

  • Ready in about 25 minutes from start to finish.
  • About 720 kcal per serving.
  • Makes 4 — perfect for sharing.
Seafood boil noodles with crab legs, shrimp, smoked sausage and boiled eggs in Cajun garlic butter sauce
Photo: @rd_eats on TikTok, shared with permission.

These Seafood Boil Noodles take everything you love about a Cajun seafood boil (the buttery, garlicky, spicy sauce, the sweet crab and shrimp, the smoky sausage) and pile it on top of a bowl of springy ramen noodles. Instead of a giant stockpot and newspaper on the table, everything cooks in one skillet in about 25 minutes, and the noodles soak up every drop of that red-orange butter sauce.

It is a fun, rich weeknight dinner that feels like a treat. Below you will find the sauce ratio that keeps it glossy instead of greasy, how to time the seafood so nothing turns rubbery, and easy swaps if you want real crab legs or a milder spice level.

Watch how it’s made

This recipe was inspired by a viral video from @rd_eats. Watch the original here:

@rd_eats Seafood Boil Noodles

What makes these seafood boil noodles so good?

The magic is the sauce. You start by browning sliced smoked sausage, then melt a generous amount of butter in the same pan so it picks up all that smoky flavor. Garlic, Cajun seasoning, Old Bay, smoked paprika and a little brown sugar go in next, and a splash of broth turns it into a loose, spoonable sauce. The seafood simmers right in it, so the crab and shrimp are seasoned all the way through, and the leftover sauce gets ladled over the noodles at the end.

Surimi crab legs (the imitation crab sticks sold in big packs at warehouse clubs) are what made this video go viral: they are cheap, already cooked and soak up sauce beautifully. Real snow crab clusters work too if you want to splurge.

The most common mistake? Simmering the shrimp and crab too long. Shrimp needs only 2–3 minutes and imitation crab just needs to heat through. If you add them early and walk away, the shrimp gets tough and the surimi starts to fall apart. Add the seafood last and pull the pan off the heat as soon as the shrimp is pink.

Key ingredients and why they matter

Key Ingredient What To Use Why It Matters
Noodles Instant ramen blocks (seasoning packets discarded) Springy, quick-cooking and great at grabbing sauce.
Butter Salted or unsalted butter The base of every seafood boil sauce; carries the spices.
Cajun seasoning Store-bought Cajun or Creole blend Brings the heat, garlic and paprika flavor.
Old Bay Old Bay seasoning The celery-salt, bay-leaf taste of a classic boil.
Smoked sausage Andouille or kielbasa, sliced Adds smoke and renders flavorful fat into the butter.
Seafood Imitation crab legs and large raw shrimp Sweet, juicy bites that cook in minutes.

Seafood Boil Noodles

Ramen noodles topped with crab legs, shrimp and smoked sausage simmered in a Cajun garlic butter sauce, served with boiled eggs.

Prep Time

10

minutes

Cook Time

15

minutes

Total Time

25

minutes

Servings

4

Calories

720

kcal

Ingredients

  • 4 packs (3 oz each) instant ramen noodles, seasoning packets discarded
  • 7 oz smoked sausage or andouille, sliced into coins
  • 1/2 cup (1 stick) butter
  • 6 cloves garlic, minced
  • 1 tablespoon Cajun seasoning
  • 2 teaspoons Old Bay seasoning
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon cayenne pepper (optional, for extra heat)
  • 1 tablespoon brown sugar
  • 3/4 cup chicken or seafood broth
  • 12 oz imitation crab legs (surimi sticks)
  • 1 lb large raw shrimp, peeled and deveined
  • 1 tablespoon lemon juice
  • 4 hard-boiled eggs, halved, for serving
  • Chopped parsley, for garnish

Instructions

  1. Bring a pot of water to a boil for the noodles. Cook the ramen for 2–3 minutes until just tender, drain, toss with a little of the butter or oil so it does not stick, and divide between 4 bowls.
  2. Heat a large deep skillet over medium heat. Add the sausage and cook for 3–4 minutes, turning, until browned. Remove to a plate, leaving the fat in the pan.
  3. Add the butter to the skillet and let it melt. Stir in the garlic and cook for 30–60 seconds until fragrant but not browned.
  4. Add the Cajun seasoning, Old Bay, smoked paprika, cayenne and brown sugar and stir for 30 seconds to bloom the spices. Pour in the broth and simmer for 2 minutes until slightly thickened.
  5. Lay the imitation crab legs in the sauce and spoon the sauce over them. Add the shrimp and cook for 2–3 minutes, turning once, until pink and opaque.
  6. Return the sausage to the pan, add the lemon juice and stir gently. Taste and add more Cajun seasoning or a pinch of salt if needed.
  7. Arrange the crab, shrimp and sausage over the noodles, add the boiled egg halves, then ladle the remaining butter sauce over everything. Garnish with parsley and serve right away.
Smoked sausage being added to crab legs and shrimp simmering in Cajun butter sauce in a skillet
The sausage goes back in at the end with the crab and shrimp. Photo: @rd_eats on TikTok.

Spice level guide

Heat Level Cajun Seasoning Cayenne Good For
Mild 2 teaspoons None Kids and anyone sensitive to spice.
Medium 1 tablespoon 1/4 teaspoon A gentle warmth that lets the seafood shine.
Hot 1 tablespoon 1/2 teaspoon Classic seafood boil restaurant heat.
Extra hot 1 1/2 tablespoons 1 teaspoon + hot sauce Spice lovers only; serve with extra lemon.

Cook raw shrimp until the flesh is pearly and opaque; the USDA safe temperature chart lists 145°F for fish and shellfish and 160°F for egg dishes. Imitation crab is already fully cooked, so it only needs to be heated through.

Common problems and how to fix them

Problem Likely Cause Easy Fix
Sauce is greasy and separated Not enough liquid or heat too high Whisk in a few tablespoons of broth over low heat until glossy.
Rubbery shrimp Cooked too long Add shrimp last and pull the pan off as soon as it turns pink.
Crab falling apart Stirred too hard or simmered too long Spoon sauce over it instead of stirring; heat for 2 minutes only.
Too salty Salted butter plus salty seasoning blends Use unsalted butter and low-sodium broth; add lemon to balance.
Noodles clumped together Left sitting after draining Toss with a little butter right away, or cook them last.

Tips and variations

  • Use real crab: Swap the surimi for 1–1 1/2 lb of thawed snow crab clusters. Simmer them in the sauce for 4–5 minutes to heat through.
  • Add corn and potatoes: For the full boil experience, add halved baby potatoes and corn cobettes that have been boiled until tender.
  • Swap the noodles: Linguine, spaghetti or thick udon all work well with this sauce.
  • Add more seafood: Mussels, clams or crawfish tails are great additions. Add shellfish with the broth and cover until they open, discarding any that stay closed.
  • Make it saucier: Double the butter and broth if you like your noodles swimming in sauce, the way the viral video serves it.
  • Prep the eggs ahead: Boil the eggs up to 3 days ahead and keep them peeled in the fridge. Our Cajun boiled eggs are an extra-flavorful option for topping the bowls.

What to serve with seafood boil noodles

These bowls are a full meal on their own, but a few simple sides make it feel like a real seafood boil night. Buttered corn on the cob, crusty garlic bread for mopping up the sauce, or a crunchy cucumber and onion salad all work well. Serve with plenty of lemon wedges and extra napkins, since the sauce gets everywhere in the best way.

Love buttery noodles? Try our quick garlic butter noodles for a simpler side on busy nights.

Frequently Asked Questions

What noodles are best for seafood boil noodles?

Instant ramen noodles are the classic choice because they are springy and cook in about 2 minutes. Discard the seasoning packets since the Cajun butter sauce brings all the flavor. Udon or linguine also work.

Is imitation crab already cooked?

Yes. Imitation crab (surimi) is made from cooked fish paste, so it only needs a couple of minutes in the hot sauce to warm through.

Can I use frozen shrimp?

Yes. Thaw them in the fridge overnight or under cold running water, then pat dry before adding them to the sauce so they do not water it down.

How do I make the sauce less spicy?

Skip the cayenne and reduce the Cajun seasoning to 2 teaspoons. A little extra butter and a squeeze of lemon also soften the heat.

How do I store leftovers?

Refrigerate in a sealed container within 2 hours and eat within 2 days. Reheat gently in a skillet with a splash of broth until steaming hot, as seafood toughens quickly in the microwave.

Sandra J

Written by Sandra J

Sandra is the home cook and recipe developer behind Recipe Luxury. She shares tested, fuss-free recipes — from quick weeknight dinners to crowd-pleasing desserts — written so anyone can make them with confidence in their own kitchen.

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