This Cajun Shrimp and Crab Mac and Cheese is a delightful twist on the classic comfort food. With its creamy texture and bold flavors, it’s perfect for gatherings, family dinners, or a cozy night in. The combination of rich cheeses and seasoned shrimp makes this dish a standout that will quickly become a favorite at your table.
Why You’ll Love This Recipe
- Creamy Indulgence: The blend of cheeses creates a rich and creamy sauce that envelops each piece of pasta.
- Flavor Explosion: Cajun seasoning adds a punch of flavor that elevates this mac and cheese to gourmet status.
- Versatile Dish: Perfect as a main course or side dish, it’s great for holidays, potlucks, or weeknight dinners.
- Easy to Make: Simple steps ensure you can whip this up without the stress while impressing your guests.
- Family Friendly: Kids love mac and cheese! Add shrimp and crab for an exciting twist that keeps it fun.
Tools and Preparation
To make this delicious dish, you’ll need some essential kitchen tools to help streamline the cooking process.
Essential Kitchen Tools
- Large skillet
- Large pot
- Baking dish (9×13-inch)
- Mixing bowls
- Whisk
- Colander
Why These Tools Matter
- Large Skillet: Ideal for cooking shrimp quickly and evenly over medium heat.
- Baking Dish: A sturdy vessel ensures even baking, giving your mac and cheese a beautiful, golden top.
- Whisk: Helps combine ingredients smoothly, ensuring your cheese sauce is lump-free.
Ingredients
This Cajun Shrimp and Crab Mac and Cheese is super creamy, cheesy, and decadent. This delicious spin on the classic dish will surely be your new favorite!
For the Pasta
- 3 cups elbow macaroni, uncooked
For the Seafood
- 2 lbs Fresh Crab legs, cooked OR 2 1/2 cups imitation crab meat, diced
- 2 pounds shrimp, peeled and deveined (if frozen, thawed)
For the Sauce
- 1/4 cup fresh or dried basil + more for topping
- 1 cup whole milk
- 2 – 2 2/3 cups evaporated milk
- 1/2 – 1 teaspoon Paprika, or to taste (see notes)
- 1/4 – 1/2 teaspoon Cayenne Pepper, or to taste (see notes)
- 1/2 teaspoon salt, or to taste
- 1/2 teaspoon freshly ground black pepper, or to taste
- 2 large eggs, beaten
For the Cheese Mixture
- 4 cups sharp cheddar cheese, grated
- 2 cups mild cheddar cheese, grated
- 2 cups colby & monterey jack cheese, grated
- 1/2 cup parmesan cheese, grated
For Topping
- Cajun seasoning, for topping
- 2 tablespoons olive oil
- 1-2 tablespoon cajun seasoning
- Pinch of Salt
- Pinch of freshly ground black pepper

How to Make Cajun Shrimp and Crab Mac and Cheese
Step 1: Prepare the Shrimp
- Heat a large skillet over medium heat.
- In a medium bowl, add shrimp, olive oil, Cajun seasoning, salt, and pepper.
- Toss to combine until shrimp are well coated.
Step 2: Cook the Shrimp
- Once the skillet is hot, add shrimp.
- Cook while stirring constantly until shrimp turn pink (about 4-6 minutes).
- Set aside after cooking.
Step 3: Preheat Your Oven
- Preheat oven to 350°F (177°C).
- Lightly butter a 9×13-inch baking dish and set aside.
Step 4: Cook the Pasta
- Bring a large pot of salted water to a boil over high heat.
- Add macaroni and cook until al dente according to package directions. Do not overcook.
- Drain well and transfer cooked pasta to a large bowl.
Step 5: Combine Ingredients
- Mix in cooked Cajun shrimp, crab chunks, and basil into the pasta bowl.
Step 6: Make the Cheese Sauce
- In another large bowl, whisk together milk and evaporated milk until combined.
- Add paprika, cayenne pepper, salt, and black pepper; whisk again.
- Taste mixture; adjust seasonings as preferred.
- Beat in eggs until well combined.
Step 7: Add Cheese
- Reserve 1 cup sharp cheddar cheese, ½ cup colby & Monterey jack cheese, and ½ cup Parmesan for topping.
- Stir remaining cheeses into milk mixture until fully combined.
Step 8: Combine Everything
- Pour cheese mixture into pasta mixture; stir well to combine evenly.
Step 9: Prepare for Baking
- Pour mixture into prepared baking dish.
- Top with reserved cheeses along with more basil, paprika, salt, pepper, and additional Cajun seasoning if desired.
Step 10: Bake
- Bake for about 45-55 minutes until the top is golden brown.
- Cover with foil around the last 35-40 minutes if necessary to prevent over-browning.
- Let sit for about 25-30 minutes before serving to allow it to set properly.
Enjoy your homemade Cajun Shrimp and Crab Mac and Cheese!
How to Serve Cajun Shrimp and Crab Mac and Cheese
This creamy and cheesy dish is perfect for sharing with family and friends. Serving it with the right accompaniments can elevate your meal experience. Here are some delightful serving suggestions for Cajun Shrimp and Crab Mac and Cheese.
Pair with a Fresh Salad
- Mixed Greens Salad: A light salad with mixed greens, cherry tomatoes, and a light vinaigrette balances the richness of the mac and cheese.
- Caesar Salad: The crisp romaine lettuce and tangy dressing complement the creamy flavors perfectly.
Add Some Crunch
- Garlic Bread: Crispy garlic bread provides a satisfying crunch that contrasts well with the softness of the mac and cheese.
- Pickles or Olives: A side of pickles or olives can add a zesty touch that cuts through the creaminess.
Elevate with Proteins
- Grilled Chicken Strips: Juicy grilled chicken adds extra protein, making your meal more filling while enhancing flavor.
- Roasted Vegetables: Seasonal roasted veggies like zucchini, bell peppers, or asparagus create a colorful plate while adding nutrients.
How to Perfect Cajun Shrimp and Crab Mac and Cheese
Perfecting this dish requires attention to detail. Here are some tips to ensure you achieve creamy, cheesy goodness every time.
- Bold Flavoring: Use fresh herbs like basil or parsley to enhance flavor. Fresh ingredients make a significant difference in taste.
- Proper Cooking Time: Avoid overcooking the pasta. It should be al dente as it will continue to cook in the oven.
- Cheese Variety: Experiment with different cheeses. Adding Gouda or Fontina can give an extra layer of flavor.
- Creaminess Factor: Adjust milk quantities as needed for your desired creaminess. More evaporated milk will yield a richer texture.
- Baking Technique: Cover the dish with foil during baking to prevent burning while allowing it to cook evenly.
- Rest Time: Letting it sit for 25-30 minutes after baking allows it to set, making serving easier.

Best Side Dishes for Cajun Shrimp and Crab Mac and Cheese
To enjoy your Cajun Shrimp and Crab Mac and Cheese fully, consider pairing it with these delicious side dishes that complement its rich flavors.
- Coleslaw: A crunchy coleslaw adds freshness to your plate, balancing the creaminess of mac and cheese.
- Corn on the Cob: Sweet corn offers a delightful contrast in texture; grill or boil for best results.
- Baked Beans: Sweet baked beans provide a comforting contrast that works harmoniously with the spicy flavors.
- Sautéed Green Beans: Lightly sautéed green beans add color and a healthy twist to your meal.
- Stuffed Peppers: Colorful stuffed peppers filled with rice or quinoa make an eye-catching side option.
- Fruit Salad: A refreshing fruit salad can cleanse the palate between bites of rich mac and cheese.
Common Mistakes to Avoid
When making Cajun Shrimp and Crab Mac and Cheese, it’s easy to overlook some important steps. Here are common mistakes you should avoid for the best results.
- Overcooking the Pasta: Cooking the macaroni too long can lead to mushy pasta. Always follow the package instructions and aim for al dente.
- Skipping the Seasoning: Neglecting seasonings will result in bland mac and cheese. Don’t forget to taste your cheese mixture and adjust spices accordingly.
- Not Using Enough Cheese: Skimping on cheese can make your dish less creamy. Use generous amounts as suggested in the recipe for a rich flavor.
- Rushing the Baking Time: Pulling it out of the oven too soon can affect texture. Be patient and let it bake until golden brown for optimal results.
- Ignoring Rest Time: Cutting into your dish immediately makes it runny. Allow at least 25-30 minutes to set before serving.
Refrigerator Storage
- Store leftovers in an airtight container.
- Consume within 3-5 days for best freshness.
Freezing Cajun Shrimp and Crab Mac and Cheese
- Freeze in a freezer-safe container or heavy-duty aluminum foil.
- Best used within 2-3 months for optimal taste.
Reheating Cajun Shrimp and Crab Mac and Cheese
- Oven: Preheat to 350°F (175°C), cover with foil, and bake until heated through (about 20-25 minutes).
- Microwave: Use a microwave-safe dish, heat in intervals, stirring often until warm.
- Stovetop: Gently reheat in a pan over medium-low heat, adding a splash of milk to restore creaminess.

Frequently Asked Questions
What is Cajun Shrimp and Crab Mac and Cheese?
Cajun Shrimp and Crab Mac and Cheese is a creamy pasta dish that combines shrimp, crab meat, and a blend of cheeses with spicy Cajun seasoning for added flavor.
Can I use chicken instead of shrimp?
Yes! You can substitute shrimp with cooked chicken or turkey for a different protein option while maintaining great flavor.
How spicy is Cajun Shrimp and Crab Mac and Cheese?
The spice level can be adjusted by varying the amount of cayenne pepper or Cajun seasoning used. Start with less if you’re sensitive to heat.
Is there a vegetarian version of this recipe?
Certainly! You can omit seafood entirely and add more vegetables like bell peppers or spinach along with additional herbs for flavor.
Can I make this dish ahead of time?
Yes! You can prepare it up to the baking stage, cover it tightly, refrigerate, then bake when ready to serve.
Conclusion
This Cajun Shrimp and Crab Mac and Cheese is not only creamy and decadent but also versatile. Feel free to customize it with your favorite seafood or even vegetables. Give this recipe a try; it might just become your new favorite comfort food!

Cajun Shrimp and Crab Mac and Cheese
- Total Time: 1 hour 15 minutes
- Yield: Serves about 8
Description
Indulge in the comforting flavors of Cajun Shrimp and Crab Mac and Cheese, a delightful twist on a classic dish that promises to tantalize your taste buds. This creamy pasta bake combines tender shrimp and succulent crab with a rich blend of cheeses, all infused with zesty Cajun seasoning for an explosion of flavor. Perfect for family gatherings or cozy nights in, this dish is both easy to prepare and sure to impress. The contrasting textures of creamy cheese and hearty pasta make every bite a satisfying experience.
Ingredients
- 3 cups elbow macaroni
- 2 lbs Fresh Crab legs, cooked OR 2 1/2 cups imitation crab meat, diced
- 2 pounds shrimp, peeled and deveined
- 1/4 cup fresh or dried basil + more for topping
- 1 cup whole milk
- 2 – 2 2/3 cups evaporated milk
- 1/2 – 1 teaspoon Paprika, or to taste
- 1/4 – 1/2 teaspoon Cayenne Pepper, or to taste
- 1/2 teaspoon salt, or to taste
- 1/2 teaspoon freshly ground black pepper, or to taste
- 2 large eggs, beaten
- 4 cups sharp cheddar cheese, grated
- 2 cups mild cheddar cheese, grated
- 2 cups colby & monterey jack cheese, grated
- 1/2 cup parmesan cheese, grated
- Cajun seasoning, for topping
- 2 tablespoons olive oil
- 1–2 tablespoon cajun seasoning
- Pinch of Salt
- Pinch of freshly ground black pepper
Instructions
- In a large skillet over medium heat, toss shrimp with olive oil, Cajun seasoning, salt, and pepper until well coated.
- Cook shrimp for about 4-6 minutes until pink; set aside.
- Preheat oven to 350°F (177°C) and lightly butter a baking dish.
- Boil salted water in a large pot; cook macaroni until al dente. Drain and transfer to a bowl.
- Mix cooked shrimp, crab meat, and basil into the pasta.
- In another bowl, whisk together milk, evaporated milk, paprika, cayenne pepper, salt, black pepper, and beaten eggs; stir in remaining cheeses except those reserved for topping.
- Combine cheese mixture with pasta; pour into the baking dish.
- Top with reserved cheeses and additional seasonings.
- Bake for 45-55 minutes until golden brown; let sit for 25-30 minutes before serving.
- Prep Time: 20 minutes
- Cook Time: 55 minutes
- Category: Main
- Method: Baking
- Cuisine: Cajun
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 525
- Sugar: 5g
- Sodium: 680mg
- Fat: 24g
- Saturated Fat: 13g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 55g
- Fiber: 3g
- Protein: 27g
- Cholesterol: 120mg