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Home » Recipes » Crawfish Recipes

Crawfish Casserole

Close up of a crawfish casserole being lifted out with a spatula.
A crawfish casserole recipe that's easy to make and full of cheese, crawfish tails, rice and southern spices.
5 from 2 votes
Prep Time :10 minutes mins
Cook Time :40 minutes mins
Total Time :50 minutes mins
Servings :8
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Published: Jun 13, 2025 · Modified: Jun 13, 2025 by Melanie Cagle · 3 Comments

This crawfish casserole recipe is one of my favorites to whip up when I have some leftover from a crawfish boil. A tasty crawfish tails, rice and cheese dish that will knock your socks off.

A piece of crawfish casserole being lifted out of a casserole dish.
Crawfish Casserole Recipe

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Naturally, making crawfish recipes is more popular during crawfish season. Although, if you're like us and you have a bunch in the freezer, any time is crawfish time.

This dish is full of rice, cheese, crawfish tails, tasty soups and the perfect amount of spice.

Jump to:
  • What makes this recipe so yummy
  • Groceries you'll need: Ingredients
  • Crawfish Casserole Recipe Instructions
  • Recipe variations and substitute ideas
  • Necessary gear: Equipment
  • More crawfish recipes I think you'll love
  • How to store leftovers
  • Mel's kitchen notes
  • Melanie Cagle
  • Frequently asked questions: FAQs
  • Crawfish Casserole
  • 💬 Comments

What makes this recipe so yummy

  • It's the perfect dish to make with your leftover crawfish tails.
  • You can still make it with the type you buy from the store. It'll work.
  • This crawfish recipe is a perfect change from your every day dinner recipe.
  • This dish has been created in Cajun country, you'll have a hard time finding a recipe better.

Groceries you'll need: Ingredients

Ingredients needed to make a crawfish casserole recipe with text overlay.

See recipe card at the bottom of this post for quantities.

Crawfish Casserole Recipe Instructions

This is an overview of the recipe steps. For more detailed instructions visit the recipe card at the bottom of this post.

A large white skillet with butter and onions.
Step 1: Melt butter and saute onion and bell peppers and cook until wilted.
A large white skillet filled with cooking onions and seasonings.
Step 2: Add the Old Bay seasoning and mix well.
A large mixing bowl with cheese, crawfish tails and other ingredients waiting to be mixed.
Step 3: Add onion mixture to a large bowl, along with the remaining ingredients. Mix well.
A crawfish and cheese mixture being added to a baking dish.
Step 4: Add crawfish mixture to a 13x9" Casserole Pan and sprinkle cheese on top.
A finished crawfish casserole recipe in a casserole dish on a wire rack.
Step 5: Bake in a preheated oven for 40 minutes, or until bubbly around all sides. Top with a sprinkle of fresh parsley.

Hint: When we have leftover crawfish tails like this it's because we have had a crawfish boil and the tails are deliciously seasoned. If you're using store-bought crawfish it won't be as well seasoned. You'll need to adjust this recipe and add more seasoning and salt accordingly.

Recipe variations and substitute ideas

  • Black Pepper - add some of this if you need more seasoning.
  • Rotel Tomatoes - this could be good, in place of a soup.
  • Green Onion - you could use this instead of yellow onion.
  • Celery - adds more flavor.
  • Cream of Mushroom Soup - this could replace one of the soups used.
  • Garlic Powder - if you need to add more seasoning.
  • Cream Cheese - i've seen some recipes use this.
  • Cajun Yellow Rice - in place of the white rice for a yellow rice casserole.
  • Lemon Juice - if you need to, there is plenty of citrus flavor in the Old Bay seasoning though.
  • Monterey Jack Cheese - or any other favorite cheese.
  • Fresh Mushrooms - these would be so good included.
  • Clove Garlic - add some minced garlic clove.
  • Velvetta Cheese - instead of the grated cheese, or cheese soup.
  • White Pepper - for more seasoning if needed.
  • French Onion Soup - to replace one of the other soups.
A plate full of crawfish casserole.

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Necessary gear: Equipment

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I use a large 12" Skillet to cook the onions and bell peppers. I then use a large mixing bowl and a 13x9" casserole dish.

I have some affiliate links in the recipe card below.

More crawfish recipes I think you'll love

  • A large platter of boiled crawfish from a crawfish boil, with corn, sausage, potatoes, mushrooms and dip.
    Flavorful Crawfish Boil Recipe
  • Bowl of crawfish etouffee with rice scoop in the middle.
    Cajun Crawfish Etouffee
  • close up of crawfish monica on a plate with a fork digging in
    Creamy Crawfish Monica
  • a slice of crawfish bread on a plate with a cooked crawfish behind
    Crawfish Bread Recipe
  • Crawfish Ravioli
  • Crawfish Fettuccine
  • Crawfish Pastalaya
  • Crawfish Pie

How to store leftovers

Once the Cajun crawfish casserole has cooled completely, cover with plastic wrap or aluminum foil and store in the refrigerator for up to 3 days.

Reheating in the microwave will be the best way to heat back up again.

Mel's kitchen notes

When reheating in the microwave, don't use too big a piece of casserole or the middle will take too long to warm up and the outer edges will overcook.

About The Author

Melanie Cagle

Melanie is a professional cook, food photographer and Cajun food connoisseur. Since 2020 she has been sharing rigorously tested recipes and tutorials right here on this blog.

Her work has been featured on Fox News channels, Yahoo news, Southern Living and more.

About Mel
A casserole dish with crawfish casserole with a piece missing.

Frequently asked questions: FAQs

What is in a crawfish casserole?

It can differ, but you're looking at crawfish tails, cheese, rice (or potato), onions etc, and seasoning.

Can I use frozen store-bought crawfish tails?

You can. However, this recipe has been developed using tails leftover from a Louisiana Cajun Crawfish Boil - in other words, they're incredibly seasoned. You'll likely need to add more seasoning to adjust.


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5 from 2 votes

Crawfish Casserole

A crawfish casserole recipe that's easy to make and full of cheese, crawfish tails, rice and southern spices.
Prep Time10 minutes mins
Cook Time40 minutes mins
Total Time50 minutes mins
Servings: 8
Cuisine: American, Crawfish Recipes
Author: Melanie Cagle
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Equipment

  • Large 12" Skillet
  • Glass Mixing Bowls
  • Casserole Dish 13x9

Ingredients

  • ½ Cup Unsalted Butter
  • 1 Each Yellow Onion diced
  • 1 Each Green Bell Pepper small, diced
  • 1 Tablespoon Old Bay Seasoning
  • 1 (10-½ Ounce) Can Cream of Shrimp Soup 1 can
  • 1 (10-½ Ounce) Can Cheddar Cheese Soup 1 can
  • 2-½ Pounds Crawfish Tails
  • 3 Cups Cooked Long Grain Rice
  • 1 Cup Plain Breadcrumbs
  • 2 Cups Sharp Cheddar Cheese divided, freshly grated

Instructions

  • Preheat your oven to 350°F.
  • Add the butter, diced onion and bell pepper to a large skillet and cook over medium-high heat until wilted.
    ½ Cup Unsalted Butter, 1 Each Yellow Onion, 1 Each Green Bell Pepper
  • Add the Old Bay Seasoning and stir well.
    1 Tablespoon Old Bay Seasoning
  • Add to a large mixing bowl, along with the crawfish tails, cooked rice, breadcrumbs, cheese soup, shrimp soup and 1 cup of the grated cheddar.
    1 (10-½ Ounce) Can Cream of Shrimp Soup, 1 (10-½ Ounce) Can Cheddar Cheese Soup, 2-½ Pounds Crawfish Tails, 3 Cups Cooked Long Grain Rice, 1 Cup Plain Breadcrumbs, 2 Cups Sharp Cheddar Cheese
  • Mix well until evenly mixed then transfer to a 9x13" Casserole Dish, lightly sprayed with cooking oil.
  • Top with the remaining 1 cup of grated cheddar.
    2 Cups Sharp Cheddar Cheese
  • Bake in the oven, uncovered, for 40 minutes (or until nicely bubbling around all sides).
  • Remove and allow to cool for a few minutes before serving.

Notes

We use crawfish tails leftover from our crawfish boil, which means they are well seasoned. It's what I used in this recipe. If you find yourself using store-bought frozen crawfish tails I recommend adjusting the seasoning accordingly. You'll probably need more.
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Nutrition

Serving: 1g | Calories: 499kcal | Carbohydrates: 32g | Protein: 31g | Fat: 27g | Saturated Fat: 15g | Polyunsaturated Fat: 9g | Cholesterol: 207mg | Sodium: 852mg | Fiber: 1g | Sugar: 2g

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Filed Under: Casseroles, Crawfish Recipes, Dinner Recipes, Lunch Recipes, Seafood Recipes, Southern Recipes

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    Recipe Rating





  1. Jane Theriot says

    May 02, 2023 at 12:40 pm

    5 stars
    Absolutely delicious! One of the best we have tasted!

    Reply
  2. Elizabeth says

    May 30, 2025 at 9:22 am

    5 stars
    Made the Crawfish Casserole and it was amazing. My husband said this was a definite repeat and that is a very unusual response - he's very selective. This was easy, simple ingredients and quick but with delicious results. Highly recommend this recipe.

    Reply
    • Melanie Cagle says

      May 30, 2025 at 2:38 pm

      Thank you so much!! I'm so glad you enjoyed it!

      Reply

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I'm Melanie, I am mom to two beautiful children and married to James - my American sweetheart (I'm British).  A transplant in Houma, South Louisiana I have found a love for all Cajun and Creole food.
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