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All Posts / Cajun Crawfish Mac and Cheese

Cajun Crawfish Mac and Cheese

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By Rosie Published: April 5, 2023 Updated: July 19, 2023
This post may contain affiliate links.

This Cajun-inspired crawfish mac and cheese is loaded with seasoned crawfish, smoked sausage, and cheese.

An overhead image of a cast iron skilled filled with crawfish mac and cheese, served on a black and white checkered napkin along with cristinis.
Table of Contents
  1. What Are Crawfish?
  2. What is Cajun Crawfish Mac and Cheese?
  3. Crawfish Mac and Cheese Ingredients and Shopping List
  4. Recipe Pro-Tips & FAQs How to Make Delicious Cajun Crawfish Mac and Cheese
  5. What to Serve With Crawfish Mac and Cheese
  6. Cajun Crawfish Mac and Cheese


 

Hey cousins! This delicious dish combines creamy mac and cheese with andouille sausage, Cajun crawfish, veggies, and spices making for an unforgettable dining experience. Let’s dive into what crawfish are, where to buy them, how to make the dish, and creative ways to serve it. So, get ready to spice up your mac and cheese with this tasty twist!

What Are Crawfish?

Never tried crawfish? If you’ve never tried it before, crawfish is seafood that is often associated with Louisiana and southern food. They are also referred to as crayfish and crawdads. Crawfish look like a miniature cross between lobster and shrimp and have a mild, sweet flavor that pairs perfectly with mac and cheese. Since they are so small, most of the meat is in the tails. 

You can prepare crawfish tails in several different ways, from boiling to grilling, frying, and baking.  

What is Cajun Crawfish Mac and Cheese?

This Cajun Crawfish Mac and Cheese is designed to be a main course, but it’s also a perfect potluck side dish. The Cajun spices combined with the cheesy sauce, andouille sausage, and succulent crawfish make this a truly unique dish. It’s the perfect way to get your fill of Cajun flavor without having to travel to Louisiana. Enjoy with friends and family for a comforting meal that is sure to be a hit! 

A close up image of crawfish mac and cheese and andouille sausage served in a cast iron skillet.

Crawfish Mac and Cheese Ingredients and Shopping List

  • Water—tap or bottled to boil your pasta. 
  • Kosher salt—I use kosher salt for this recipe, but you can use table salt if that is all you have.
  • Elbow pasta—the only pasta for mac and cheese. One 16-ounce pack.
  • Canola oil—perfect for sautéing your sausage and veggies and whisking in the remaining ingredients. 
  • Andouille sausage—one 16-ounce package, chopped. 
  • Chopped yellow onion—the sweetness pairs perfectly with crawfish. 
  • Bell peppers—1 green, 1 yellow, 1 orange, and 1 red chopped bell peppers.   
  • Garlic—1 tablespoon minced garlic. 
  • Frozen crawfish—2 cups of crawfish. You can buy crawfish frozen from Walmart and thaw it in the fridge the night before. 
  • Unsalted sweet cream butter—softened to add to the creaminess of this dish. 
  • Flour—to keep your mac and cheese thick and creamy. 
  • Whole milk—use what you have but whole cow milk is best.
  • Cajun seasoning—my Down By The Bayou spice blend combines all your favorite Louisiana spices! 
  • Cheddar cheese—8 ounces of shredded cheddar cheese.
  • Jack pepper cheese—8 ounces of shredded jack pepper cheese for an extra kick. 

Recipe Supplies

  • Measuring cups and measuring spoons
  • Knives and cutting board for chopping 
  • Large pot for boiling your pasta
  • Strainer to strain your pasta
  • Deep sauté pan or Dutch oven 
  • Heat-safe wooden or silicone spoon
  • Whisk to evenly distribute your ingredients
  • Standard kitchen plate
  • Paper towel 
  • Cast iron skillet to bake your mac and cheese
  • Oven mitts
  • Optional: Easy breezy veggie chopper 

Recipe Pro-Tips & FAQs: How to Make Delicious Cajun Crawfish Mac and Cheese

An overhead image of a cast iron skillet of mac and cheese with crawfish and andouille sausage topped with fresh parsley.

Where to Buy Crawfish?

You know I like to keep things simple, which is why I use frozen crawfish in this recipe. You can find crawfish tails at Walmart frozen, peeled, and deveined! 

If you want to put in the time and work, you can catch your own crawfish or buy it fresh from a local seafood shop or southern restaurant.  

What to Substitute for Crawfish? 

If you can’t find crawfish or don’t like crawfish, use 2 cups of small shrimp instead. If your shrimp is medium in size, cut it in half. If your shrimp is large or jumbo, cut it into 2 or 3 pieces. 

At some stores, you can find a mixture of crawfish and shrimp, which works in this recipe too. 

How Long Does it Take to Defrost Frozen Crawfish?

It’s best to defrost your crawfish the night before or transfer them from the freezer to the fridge first thing in the morning. If you decide to make this recipe last minute, forgot to defrost your crawfish, or it’s not quite defrosted—follow the steps below. 

  1. Leave the crawfish in their plastic package. If you take crawfish out of the package, it will get too wet. If you have already opened the package, place them in a zip-top baggie. 
  2. Grab a medium-sized bowl and fill it with cold water. If the water is warm or hot, it will begin to cook the crawfish. This can dry out your crawfish by overcooking it. 
  3. Let the package sit in the water for 10 minutes. Check to see how frozen it still is. If it’s not defrosted yet, swap the water, as the water will get too cold while it defrosts. 
  4. Repeat until fully defrosted. 
A close up image of Cajun mac and cheese served in a cast iron skillet, with flavorful pieces of crawfish and andouille sausage mixed in.

How to Chop Andouille Sausage

In most recipes, andouille sausage is chopped into half-inch rounds. In this recipe, it needs to be chopped into bits. If the pieces are too large, the sausage won’t evenly distribute throughout your Cajun mac and cheese. 

  1. Slice your sausage in half lengthwise.
  2. Slice each half in half lengthwise one more time.
  3. Chop into triangular chunks. 

How to Chop Veggies Like a Pro!

One of my many kitchen hacks is my Multifunctional Veggie Chopper which chops directly into a spacious container. In this recipe, it chops the onion and bell peppers for this recipe in seconds each! 

But don’t let the name fool you, as it comes with 5 different attachments—so it can grate your cheese too! 

You can also buy grated cheese, use a box grater, and chop your veggies with a knife.

Personalizing Your Cajun Crawfish Mac and Cheese

As always, make your dish your own!

  1. Use sharp cheddar instead for a bolder flavor.
  2. Add a bit of heat by sautéing a diced jalapeno or with hot sauce on the side. 
  3. Sprinkle some breadcrumbs or crumbled potato chips (original Lays) on top before you bake for a crunchy texture.
  4. Top with chopped green scallions.

Leftover Storage & Freezing Tips

This is so delicious, leftovers may not last very long!

Refrigerator—cool and store leftovers in the fridge in an airtight container for 3 to 5 days.

Freezer—freeze in a zip-top baggie or freezer-safe container for up to 3 months. Defrost in the fridge overnight. 

What to Serve With Crawfish Mac and Cheese

This recipe has protein, dairy, carbs, and veggies. You can serve it solo or with a side or two:

  • Bread—dinner rolls, cornbread, or garlic bread.
  • Veggies—a side salad or vegetable of choice. 

Don’t Forget Dessert!

Any dessert will do, but consider a Southern classic:

  • Grandma’s Peach Pie
  • Blueberry Cobbler
  • Blackberry Cobbler 
A cast iron skillet of crawfish mac and cheese served with two forks and a plate of garlic bread.

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Cajun Crawfish Mac and Cheese

Creamy Cajun inspired macaroni and cheese loaded with andouille sausage, and crawfish.
Print Recipe Pin Recipe
Course Dinner
Cuisine American, Soul Food, Southern
Keyword cajun crawfish mac and cheese, crawfish mac and cheese, mac and cheese, mac and cheese recipe, seafood mac and cheese
Prep Time 30 minutes minutes
Cook Time 30 minutes minutes
Total Time 1 hour hour
Servings 6 servings

Ingredients

  • 8 cups water
  • 2 1/2 tsp kosher salt
  • 1 16 oz. box large elbow pasta
  • 1 tbsp canola oil
  • 1 lb andouille sausage chopped
  • 1 yellow onion chopped
  • 4 multi colored bell peppers chopped
  • 1 tbsp minced garlic
  • ½ lb crawfish meat thawed
  • ½ cup unsalted sweet cream butter softened
  • ½ cup flour
  • 4 cup half & half
  • 2 tsp Cajun seasoning
  • 8 oz block Cheddar cheese shredded
  • 8 oz block pepper Jack cheese shredded

Instructions

  • Preheat the oven to 400 degrees.
  • Cook the pasta according to the directions on the package, then set aside.
  • Heat the oil in a large saucepan or skillet over medium heat.
  • Add the sausage, onion, and chopped peppers.
  • Cook until the sausage has begun to brown and the vegetables are tender.
  • Add in the garlic, and stir the mixture.
  • Once the sausage and vegetables are done, remove from the pan, and place on a plate.
  • Melt the butter in the same skillet. Once melted, whisk in the flour,
  • Gradually whisk in the half & half.
  • Increase the heat to a medium-high while whisking constantly for about 4 minutes or until it starts to become thick
  • Whisk in the cajun seasoning.
  • Remove from the heat and whisk in the cheeses until well combined.
  • Start adding in the pasta, sausage, crawfish, and pepper mixture. Fold in until well combined.
  • Transfer this dish to a large cast iron skillet and place into the oven for about 15-20 minutes or until golden and bubbly.
  • Serve, and enjoy!
If you loved this recipe, leave me a review below. This helps future recipe makers and ensures continued high-quality recipes for years to come!
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EXPLORE RECIPE CATEGORIESAll Posts, Dinner, Seafood, Southern Recipes

MEET THE RECIPE AUTHOR

Rosie

I’m a Soul Food blogger living in the Pacific Northwest, bringing Southern cooking to gorgeous Seattle, Washington. I was born and raised in the PNW, but my family roots go all the way to Baton Rouge, Louisiana, where my grandparents were born and raised. I live every day to bring the traditional values, recipes, and love of food to life for my family—whether they’re online or in real life. So, welcome to the party, family!

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Comments

  1. Thalia Swint says

    April 23, 2023 at 5:01 pm

    Hi Rosie,
    You are the best chef and you are the reason why I am cooking after a 25 year hiatus. The dish is so rich and fantastic. It is a dish that you could order from a high-end restaurant.

    Reply
    • Rosie says

      April 29, 2023 at 3:43 pm

      Thanks so much darlin’!

      Reply

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Hey cousins, it’s Rosie!

I’m a Soul Food blogger living in the Pacific Northwest, bringing Southern cooking to gorgeous Seattle, Washington. I was born and raised in the PNW, but my family roots go all the way to Baton Rouge, Louisiana, where my grandparents were born and raised. I live every day to bring the traditional values, recipes, and love of food to life for my family—whether they’re online or in real life. So, welcome to the party, family!

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