Shrimp & Crab Pasta with Creamy Cajun Sauce

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Update : December 20, 2025

Delicious Shrimp Crab Pasta with Creamy Cajun Sauce served in a bowl

why make this recipe

Shrimp & Crab Pasta with Creamy Cajun Sauce is a delightful meal that brings the flavors of the sea right to your dinner table. This recipe combines tender shrimp and rich crab meat with a creamy, spicy Cajun sauce that livens up the classic pasta dish. It’s perfect for any occasion, from family dinners to special gatherings. Easy to prepare and packed with flavor, this dish is sure to impress anyone who tries it.

how to make Shrimp & Crab Pasta with Creamy Cajun Sauce

Ingredients:

  • 1 red bell pepper
  • 1 yellow bell pepper
  • 1/2 white onion, chopped
  • 1 rib celery
  • 2 tablespoons of butter
  • 2 tablespoons of Cajun seasoning, divided
  • 3 cloves of fresh garlic, chopped
  • 3 tablespoons of flour
  • 1 pound of spaghetti pasta, cooked
  • Salt
  • 1 cup of reserved pasta water
  • 1 cup of heavy cream
  • 2 cups of fresh grated parmesan
  • 2 teaspoons of black pepper
  • 1 teaspoon of garlic powder
  • 1 pound of jumbo shrimp, peeled & deveined
  • 1/2 pound of lump crabmeat

Directions:

  1. Prepare the Pasta:

    • Bring a pot of salted water to a boil and cook the spaghetti pasta until al dente. Drain, reserving 1 cup of pasta water.
  2. Saute the Vegetables:

    • In a large skillet, sauté the red and yellow bell peppers, onion, and celery in butter until tender.
    • Add 1 tablespoon of Cajun seasoning and chopped garlic. Cook until fragrant.
  3. Create the Creamy Cajun Sauce:

    • Sprinkle flour over the vegetables and stir until the garlic softens.
    • Gradually add the reserved pasta water and heavy cream, stirring constantly.
    • Stir in parmesan, black pepper, and garlic powder. Simmer until creamy.
  4. Cook the Seafood:

    • In a separate skillet, cook the shrimp with the remaining Cajun seasoning in butter until pink.
    • Add the cooked shrimp to the sauce and fold in the lump crabmeat.
  5. Serve and Enjoy:

    • Toss the pasta with the creamy sauce and seafood. Garnish with fresh herbs if desired.

how to serve Shrimp & Crab Pasta with Creamy Cajun Sauce

Serve this delicious pasta dish hot, either on individual plates or family-style in a large bowl. You can garnish it with fresh herbs like parsley or basil for added flavor and color. Pair it with a light salad or garlic bread for a complete meal.

how to store Shrimp & Crab Pasta with Creamy Cajun Sauce

Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stove or in the microwave, adding a splash of water or cream if the sauce thickens too much during storage.

tips to make Shrimp & Crab Pasta with Creamy Cajun Sauce

  • Use fresh ingredients for the best flavor, especially for seafood.
  • Adjust the amount of Cajun seasoning according to your heat preference.
  • Make sure not to overcook the shrimp, as they can become tough.

variation

You can substitute the shrimp with chicken or lobster if you prefer. For a vegetarian version, consider adding more vegetables and omitting seafood entirely.

FAQs

Can I use frozen shrimp?
Yes, you can use frozen shrimp. Just make sure to thaw them completely before cooking.

Can I make this dish ahead of time?
While you can prepare some components in advance, it’s best to cook the pasta and combine everything right before serving for the freshest flavor.

Can I replace heavy cream with something else?
Yes, you can use half-and-half or a plant-based cream alternative if you want a lighter version, but it may affect the creaminess of the sauce.

Print
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Shrimp & Crab Pasta with Creamy Cajun Sauce

A delightful meal that combines tender shrimp and rich crab meat in a creamy, spicy Cajun sauce over spaghetti.

  • Total Time: 45 minutes
  • Yield: 4 servings 1x

Ingredients

Scale
  • 1 red bell pepper
  • 1 yellow bell pepper
  • 1/2 white onion, chopped
  • 1 rib celery
  • 2 tablespoons of butter
  • 2 tablespoons of Cajun seasoning, divided
  • 3 cloves of fresh garlic, chopped
  • 3 tablespoons of flour
  • 1 pound of spaghetti pasta, cooked
  • Salt
  • 1 cup of reserved pasta water
  • 1 cup of heavy cream
  • 2 cups of fresh grated parmesan
  • 2 teaspoons of black pepper
  • 1 teaspoon of garlic powder
  • 1 pound of jumbo shrimp, peeled & deveined
  • 1/2 pound of lump crabmeat

Instructions

  1. Bring a pot of salted water to a boil and cook the spaghetti pasta until al dente. Drain, reserving 1 cup of pasta water.
  2. In a large skillet, sauté the red and yellow bell peppers, onion, and celery in butter until tender. Add 1 tablespoon of Cajun seasoning and chopped garlic. Cook until fragrant.
  3. Sprinkle flour over the vegetables and stir until the garlic softens. Gradually add the reserved pasta water and heavy cream, stirring constantly. Stir in parmesan, black pepper, and garlic powder. Simmer until creamy.
  4. In a separate skillet, cook the shrimp with the remaining Cajun seasoning in butter until pink. Add the cooked shrimp to the sauce and fold in the lump crabmeat.
  5. Toss the pasta with the creamy sauce and seafood. Garnish with fresh herbs if desired.

Notes

Use fresh ingredients for the best flavor, especially for seafood. Adjust the amount of Cajun seasoning according to your heat preference. Make sure not to overcook the shrimp, as they can become tough.

  • Author: jessica-baker
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Main Course
  • Method: Sautéing
  • Cuisine: Seafood
  • Diet: Pescatarian

Nutrition

  • Serving Size: 1 serving
  • Calories: 550
  • Sugar: 6g
  • Sodium: 600mg
  • Fat: 30g
  • Saturated Fat: 15g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 30g
  • Cholesterol: 150mg

Keywords: shrimp pasta, crab pasta, cajun sauce, seafood spaghetti, creamy pasta dish

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