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Home » Recipes

Easy Louisiana Cajun Garlic Butter Sauce Recipe

Published: Feb 3, 2024 · Modified: Apr 28, 2026 by Grace · This post may contain affiliate links · Leave a Comment

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Warning — this Louisiana Cajun Garlic Butter Sauce is so incredibly delicious you will want to put it on absolutely EVERYTHING! Made with just 5 simple ingredients — butter, fresh garlic, bold Cajun seasoning, lemon juice, and green onions — this ridiculously easy sauce comes together in just 7 minutes and delivers the most incredibly rich, buttery, garlicky, and boldly spiced flavor explosion imaginable!

Louisiana Cajun Garlic Butter Sauce in a square dish. There is a spoon containing some of the butter sauce resting on the dish. A bulb of garlic, a bottle of Nunu's Cajun Seasoning and butter appear in the background.

If you want a great way to add a zesty buttery sauce to your favorite dishes, then you have come to the right place!

Here you will find a recipe for an Easy Cajun Butter Sauce that will take your favorite seafood dishes to the next level.

Allow me to begin by telling you why you will LOVE this recipe!

Jump to:
  • Why You Will LOVE This Recipe!
  • 🥘 Ingredients
  • 🔪 Instructions
  • Suggestions For Serving
  • FAQ
  • Some Other Great Recipes You May Enjoy!
  • Join Me On A Fun Food Journey!
  • Easy Louisiana Cajun Garlic Butter Sauce Recipe

Why You Will LOVE This Recipe!

Seafood lovers will absolutely adore this delicious Cajun butter sauce because:

  • The flavor of the sauce is incredible! The bold Cajun seasoning paired with lots of garlic will make your taste buds very very happy!
  • You only need 5 simple and basic ingredients to make this buttery Cajun sauce.
  • It's super easy and quick to make this recipe! It's pretty much a matter of combining all of the ingredients on a low heat and takes less than 10 minutes!
  • This is the perfect sauce to pair with your favorite and best seafood boil recipe, or any of your favorite seafood dishes!

🥘 Ingredients

Small bowls containing ingredients for Louisiana Cajun Garlic Butter Sauce including lemon juice, Cajun seasoning, green onions, unsalted butter, and minced garlic.

So here are the simple ingredients that you will need for this AMAZING Cajun garlic butter sauce:

  • Unsalted butter
  • Fresh garlic cloves
  • Cajun seasoning - I used Nunu's
  • Fresh lemon Juice
  • Green onion - you could sub fresh parsley if you prefer

🔪 Instructions

Melt 2 tablespoon of the butter in a small saucepan on medium low heat. Now add the garlic to the melted butter, and saute for about 1 minute until it's fragrant.

A Dutch oven containing minced garlic and melted butter.

Now add the Cajun seasoning, and stir it into the garlic butter mixture for 30 seconds.

A Dutch oven containing minced garlic, Cajun seasoning, and melted butter.

Throw in the rest of the butter (6 tbsp) and stir it constantly for 1 minute or until the butter is melted.

A red Dutch oven containing melted butter with garlic, Cajun seasoning, and some tablespoons of butter that are not yet melted. There is a yellow spoon in the top right corner of the picture.

Last but not least, add the lemon juice and the green onions and stir these to combine (this will only take a few seconds).

A Dutch oven containing Cajun Garlic Butter Sauce. There is a person holding a small bowl with lemon juice over the Dutch oven.
Add lemon juice.
A Dutch oven containing Cajun Garlic Butter Sauce. There is a person holding a small bowl with sliced green onions over the Dutch oven.
Throw in some slice green onions.

Your delicious Cajun Garlic Butter Sauce is now ready to enjoy!

A Dutch oven containing Louisiana Cajun Garlic Butter Sauce.

Suggestions For Serving

Louisiana Cajun Garlic Butter Sauce in a square dish. There is a spoon containing some of the butter sauce resting on the dish and a bulb of garlic to the left of the dish.

There are so many ways to enjoy this delicious sauce! It's absolutely fantastic with fresh seafood and great drizzled over veggies.

Here are some suggestions:

  • Classic Cajun seafood boil which could include lobster tails, snow crab legs or king crab legs, sweet corn, red potatoes, and andouille sausage
  • Crawfish boil
  • Shrimp boil
  • Your favorite fish
  • Roasted veggies like potatoes, carrots, cauliflower or broccoli
  • Add it to steak
  • Stir it into pasta or rice

Really this buttery sauce pairs perfectly with almost anything that you would enjoy with butter!

My favorite way to use this spicy sauce is to add it to some uncooked jumbo shrimp and bake at 350F for around 10 minutes or until the shrimp is cooked. I'm telling you this sauce has SO MUCH FLAVOR and will take your shrimp to the next level!

I know your entire family will love this flavorful sauce! You'll find the full printable recipe card below!

FAQ

What's the best way to store this Cajun garlic butter sauce?

Allow any leftover sauce to cool, and then store it in an airtight container in your refrigerator.

What is Louisiana garlic butter sauce used for?

This sauce can be enjoyed so many ways! It's perfect paired with your favorite seafood, seafood boils, stirred into pasta or rice, drizzled over veggies, or added to steak!

Some Other Great Recipes You May Enjoy!

Here are some other great recipes that you may enjoy:

  • New Orleans Style Red Beans and Rice Using Camellia Brand
  • Easy Cajun Crawfish Sauce
  • New Orleans Yakamein Recipe

Join Me On A Fun Food Journey!

Finally, I invite you to come along on this food journey with me! Please sign up to get the latest recipes and inspiration for you to expand your food comfort zone! It's an incredible journey, please join me by signing up here.

Cheers!

Grace

Louisiana Cajun Garlic Butter Sauce in a square dish. There is a spoon containing some of the butter sauce resting on the dish and a bulb of garlic to the left of the dish.

Easy Louisiana Cajun Garlic Butter Sauce Recipe

Grace Stewart
This Easy Louisiana Cajun Garlic Butter Sauce Recipe is perfect for seafood and pairs well with just about anything you would enjoy with butter!
Print Recipe Pin Recipe
Prep Time 4 minutes mins
Cook Time 3 minutes mins
Total Time 7 minutes mins
Course accompaniment, sauces
Cuisine American/Southern/Soul Food, Cajun
Servings 6 servings
Calories 149 kcal

Equipment

  • small saucepan

Ingredients
  

  • ½ cup unsalted butter this is 8 tablespoons of butter
  • 10 cloves garlic minced
  • 1.5 tablespoon Cajun seasoning I used Nunu's
  • 1 tablespoon lemon juice
  • 1 each green onion thinly sliced
InstacartGet Recipe Ingredients

Instructions
 

  • Melt 2 tablespoon of the butter in a small saucepan on medium low heat. Now add the garlic to the melted butter, and saute for about 1 minute until it's fragrant.
    A Dutch oven containing minced garlic and melted butter.
  • Now add the Cajun seasoning, and stir it into the garlic butter mixture for 30 seconds.
    A Dutch oven containing minced garlic, Cajun seasoning, and melted butter.
  • Throw in the rest of the butter (6 tbsp) and stir it constantly for 1 minute or until the butter is melted.
    A red Dutch oven containing melted butter with garlic, Cajun seasoning, and some tablespoons of butter that are not yet melted. There is a yellow spoon in the top right corner of the picture.
  • Last but not least, add the lemon juice and the green onions and stir these to combine (this will only take a few seconds).
    A Dutch oven containing Cajun Garlic Butter Sauce. There is a person holding a small bowl with sliced green onions over the Dutch oven.
  • Your delicious Cajun Garlic Butter Sauce is now ready to enjoy!

Notes

I highly recommend using unsalted butter for this recipe.  You can add a bit of salt after preparing the sauce if it's not salty enough for you.
This is perfect with any seafood and I love it drizzled over roasted veggies or stirred into hot rice!

Nutrition

Calories: 149kcalCarbohydrates: 3gProtein: 1gFat: 16gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gTrans Fat: 1gCholesterol: 41mgSodium: 4mgPotassium: 68mgFiber: 1gSugar: 0.3gVitamin A: 1337IUVitamin C: 3mgCalcium: 18mgIron: 0.5mg
Keyword Cajun sauce, Louisiana Garlic Butter Sauce
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Hi I’m Grace Stewart! I'm married and a mom to my fur baby, Toby, and food and travel are two of my greatest passions!  Since our bank account does not allow us to travel or eat out as much as we'd like, I decided I would cook delicious meals that could give us a taste of all the places we'd like to go.  My goal is to get you in the kitchen, and inspire you to cook and taste delightful meals that will transport you too.  

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Hi I’m Grace! I'm married and a mom to my fur baby, Toby, and food and travel are two of my greatest passions! Since our bank account does not allow us to travel or eat out as much as we'd like, I decided I would cook delicious meals that could give us a taste of all the places we'd like to go. My goal is to get you in the kitchen, and inspire you to cook and taste delightful meals that will transport you too. Let’s throw some actual travel in from time to time, all with an emphasis on keeping your wallet full and happy as well. Let’s get cooking and let’s start exploring!! I'm excited to be on this journey with you!!

By the way most of these recipes are Toby taste tested and Toby approved!!

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