Rich, spicy, and luxuriously creamy, this Creamy Cajun Crab Pasta is a seafood lover’s dream come true. Tender crab meat is tossed with perfectly cooked pasta and smothered in a bold Cajun-spiced cream sauce that brings the heat and flavor. It’s a comforting, restaurant-worthy dish that comes together in under 30 minutes—perfect for a special weeknight dinner or when you’re craving something indulgent and delicious.
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Why You’ll Love This Recipe
Fast & Flavorful – On the table in less than 30 minutes.
Bold & Creamy – The Cajun spice and cream sauce combo is pure magic.
Elegant Yet Easy – Feels fancy but uses everyday ingredients.
Customizable Heat – Control the spice level to your taste.
Perfect for Date Nights or Dinner Parties – A show-stopping pasta dish that’s sure to impress.
Ingredients You’ll Need
For the Pasta:
8 oz fettuccine, linguine, or penne pasta
Salted water (for boiling)
For the Creamy Cajun Sauce:
2 tbsp butter
1 tbsp olive oil
1 small shallot, finely diced (or ¼ cup onion)
3 cloves garlic, minced
1 tbsp Cajun seasoning (store-bought or homemade)
½ tsp smoked paprika (optional for extra depth)
¼ tsp red pepper flakes (optional, for heat)
1 cup heavy cream (or half-and-half for lighter option)
½ cup chicken or seafood broth
½ cup grated Parmesan cheese
Salt and black pepper, to taste
Juice of ½ lemon (for brightness)
For the Crab:
8 oz lump crab meat (fresh or canned, drained and picked over for shells)
1 tbsp butter (for finishing)
Chopped parsley or green onions, for garnish
Extra Cajun seasoning or lemon wedges, for serving
Tools You’ll Need
Large skillet or sauté pan
Pot for boiling pasta
Strainer
Tongs or pasta fork
Measuring cups and spoons
Grater (for Parmesan)
Step-by-Step Instructions
Step 1: Cook the Pasta
- Bring a large pot of salted water to a boil.
- Cook the pasta according to package instructions until al dente.
- Drain and reserve ½ cup of pasta water. Set pasta aside.
Step 2: Sauté the Aromatics
- In a large skillet, melt butter with olive oil over medium heat.
- Add diced shallot and cook for 2–3 minutes until soft.
- Stir in minced garlic and cook for another 30 seconds until fragrant.
Step 3: Build the Cajun Cream Sauce
- Add Cajun seasoning, smoked paprika, and red pepper flakes (if using). Stir well.
- Pour in the heavy cream and broth, and stir to combine.
- Simmer for 3–5 minutes, letting the sauce thicken slightly.
- Stir in Parmesan cheese, lemon juice, salt, and pepper to taste.
Step 4: Add the Crab & Pasta
- Gently fold in the crab meat and 1 tbsp of butter, warming through for 2–3 minutes.
- Add the cooked pasta to the skillet and toss to coat in the sauce.
- If the sauce is too thick, add a splash of reserved pasta water to loosen.
Step 5: Garnish & Serve
- Plate the pasta and top with chopped parsley or green onions.
- Add a sprinkle of extra Cajun seasoning or a squeeze of lemon juice for a final flavor pop.
- Serve hot with garlic bread or a side salad.
Tips for the Best Creamy Cajun Crab Pasta
Use Good-Quality Crab – Fresh or refrigerated lump crab meat offers the best flavor.
Don’t Overcook the Crab – Just heat it through to avoid a rubbery texture.
Balance the Spice – Cajun seasoning can vary, so start small and adjust to taste.
Reserve Pasta Water – It helps adjust the sauce consistency if needed.
Make it Lighter – Swap heavy cream for half-and-half or use less Parmesan.
Serving Suggestions
Serve with garlic bread or cheesy toast for dipping.
Pair with a crisp side salad or roasted asparagus.
Top with extra Parmesan or a dollop of crème fraîche.
Add a glass of citrusy sparkling water or a lemon iced tea for a refreshing finish.
How to Store & Reheat
Storing:
Refrigerate leftovers in an airtight container for up to 2 days.
Reheating:
Stovetop: Warm gently in a skillet with a splash of broth or milk.
Microwave: Reheat in short intervals, stirring often to maintain creaminess.
Avoid overheating the crab—it can dry out or turn rubbery.
Frequently Asked Questions
- Can I use imitation crab?
Yes, though real lump crab has a sweeter, fresher taste and texture. Imitation works in a pinch. - What’s in Cajun seasoning?
Typically a blend of paprika, cayenne, garlic powder, onion powder, oregano, thyme, and black pepper. - Can I make this dish gluten-free?
Yes—use gluten-free pasta and ensure your Cajun seasoning and broth are gluten-free. - Is it very spicy?
It has a kick, but you control the spice by adjusting the Cajun seasoning and red pepper flakes. - Can I make it ahead?
It’s best fresh, but you can prep the sauce and cook the pasta ahead, then combine and reheat gently before serving.
Final Thoughts
This Creamy Cajun Crab Pasta is a flavor-packed dish that feels fancy without the fuss. Whether you’re treating yourself on a weeknight or serving guests, this rich, spicy, and satisfying pasta is sure to be a hit. With bold Cajun flavor, tender crab, and a velvety sauce, it’s comfort food at its finest—fast, easy, and full of flair.
Give it a try and let me know how spicy you like yours! Don’t forget to share your pasta creations online—I’d love to see your seafood masterpiece.
Preparation Time: 10 minutes
Cooking Time: 20 minutes
Cuisine: Cajun-Inspired American
Nutritional Information (Per Serving):
Calories: 510 | Protein: 26g | Carbohydrates: 42g | Fat: 27g | Fiber: 2g | Sodium: 580mg

Creamy Cajun Crab Pasta
- Total Time: 30 minutes
Description
Rich, spicy, and luxuriously creamy, this Creamy Cajun Crab Pasta is a seafood lover’s dream come true. Tender crab meat is tossed with perfectly cooked pasta and smothered in a bold Cajun-spiced cream sauce that brings the heat and flavor. It’s a comforting, restaurant-worthy dish that comes together in under 30 minutes—perfect for a special weeknight dinner or when you’re craving something indulgent and delicious.
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Ingredients
For the Pasta:
8 oz fettuccine, linguine, or penne pasta
Salted water (for boiling)
For the Creamy Cajun Sauce:
2 tbsp butter
1 tbsp olive oil
1 small shallot, finely diced (or ¼ cup onion)
3 cloves garlic, minced
1 tbsp Cajun seasoning (store-bought or homemade)
½ tsp smoked paprika (optional for extra depth)
¼ tsp red pepper flakes (optional, for heat)
1 cup heavy cream (or half-and-half for lighter option)
½ cup chicken or seafood broth
½ cup grated Parmesan cheese
Salt and black pepper, to taste
Juice of ½ lemon (for brightness)
For the Crab:
8 oz lump crab meat (fresh or canned, drained and picked over for shells)
1 tbsp butter (for finishing)
Chopped parsley or green onions, for garnish
Extra Cajun seasoning or lemon wedges, for serving
Instructions
Step 1: Cook the Pasta
-
Bring a large pot of salted water to a boil.
-
Cook the pasta according to package instructions until al dente.
-
Drain and reserve ½ cup of pasta water. Set pasta aside.
Step 2: Sauté the Aromatics
-
In a large skillet, melt butter with olive oil over medium heat.
-
Add diced shallot and cook for 2–3 minutes until soft.
-
Stir in minced garlic and cook for another 30 seconds until fragrant.
Step 3: Build the Cajun Cream Sauce
-
Add Cajun seasoning, smoked paprika, and red pepper flakes (if using). Stir well.
-
Pour in the heavy cream and broth, and stir to combine.
-
Simmer for 3–5 minutes, letting the sauce thicken slightly.
-
Stir in Parmesan cheese, lemon juice, salt, and pepper to taste.
Step 4: Add the Crab & Pasta
-
Gently fold in the crab meat and 1 tbsp of butter, warming through for 2–3 minutes.
-
Add the cooked pasta to the skillet and toss to coat in the sauce.
-
If the sauce is too thick, add a splash of reserved pasta water to loosen.
Step 5: Garnish & Serve
-
Plate the pasta and top with chopped parsley or green onions.
-
Add a sprinkle of extra Cajun seasoning or a squeeze of lemon juice for a final flavor pop.
-
Serve hot with garlic bread or a side salad.
Notes
Use Good-Quality Crab – Fresh or refrigerated lump crab meat offers the best flavor.
Don’t Overcook the Crab – Just heat it through to avoid a rubbery texture.
Balance the Spice – Cajun seasoning can vary, so start small and adjust to taste.
Reserve Pasta Water – It helps adjust the sauce consistency if needed.
Make it Lighter – Swap heavy cream for half-and-half or use less Parmesan.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Cuisine: Cajun-Inspired American