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Home » Recipes » Flavor Boosters: Condiments, Sauces, and Frostings

Modified: Aug 6, 2025 by AshleyFreeman ·

Remoulade Sauce for Onion Rings, Po Boys, and More!

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Are you looking for a remoulade sauce recipe that's creamy, tangy, and has just the right amount of spice? Well good news: this one's a keeper.

Made with zesty lemon, just the right amount of sinus-clearing horseradish, smoky paprika, and a touch of hot sauce, it's the kind of punchy, Southern-style condiment that makes fried foods sing--especially crispy onion rings, shrimp po' boys, and my favorite: fried green tomatoes.

Remoulade sauce in a white bowl on a green enamel plate with parsley leaves on the side, a metal spoon in the bowl, a green striped cloth to the side, a stack of plates, and glasses of water.

What I may love most of all about this great sauce though is how quickly this easy comes together and with ingredients you probably already have on your pantry shelves and in your fridge. It's that bold, go-to sauce you'll want to slather on sandwiches, spoon over crab cakes, or serve alongside anything crispy and dip-able. It really does wear a lot of hats.

Growing up, one of the restaurants I always went to with my grandparents was Outback Steakhouse. And yes, we always ordered the iconic Bloomin' onion off the Outback menu. I mean, you kind of have to right? It's just so good. Guess what sauce they serve with it? You got it--remoulade.

My version is a little different than the Outback Steakhouse recipe. Creamy, tangy, and with just enough bite, it mimics that signature dip you'd find alongside Outback's crispy fried masterpiece with a little more brightness from lemon and parsley. So naturally, this sauce is pretty epic when served with my oven baked onion rings.

But that's not all: I often use this remoulade as an alternative to the burger sauce on my ultimate cheeseburger. Is it good on French fries? You bet! And if you've never had them before, my crispy tostones are like giant French fries. Hint hint.

For all you seafood lovers, use it to doctor up grilled seasoned shrimp skewers or as a sauce for fish tacos. Pro tip: Wondering what to have for dinner tonight and don't feel like cooking?

Cook a box of your favorite breaded frozen fish, flake into corn tortillas, add some shredded lettuce, and dollop on some of this remoulade. Voila! Easy fish tacos that are almost homemade.

Where is remoulade from?

Here's a little history lesson for you: Remoulade has its roots in classic French cuisine, where it began as a mayonnaise-based sauce flavored with mustard, capers, herbs, and sometimes anchovies. Like many delicious sauces from afar, remoulade made its way to the US during the 18th century, when French colonists settled in Louisiana.

After France gave up control of the Louisiana territory to Spain, many of the settlers resettled in the region and brought their culinary traditions with them. Over time, those French foundations blended with African, Spanish, and Caribbean influences, giving rise to the bold, flavorful remoulade recipes we now associate with Southern cooking.

Today, remoulade is a staple in especially Creole and Cajun kitchens, where it's served with everything from po' boys and crab cakes to fried green tomatoes and shrimp. Trust me: this is a sauce you're going to want to have on hand. Ready to make it? Let's do it!

Jump to:
  • Where is remoulade from?
  • Ingredients
  • Instructions
  • Substitutions
  • Variations
  • Equipment
  • Storage
  • Tasty Tip
  • Frequently asked questions
  • Related
  • Pairing
  • 🍽Get the recipe
  • RECIPE GUIDELINES AND TEST KITCHEN TIPS
  • FOOD SAFETY

Ingredients

Before we get started, let's gather the ingredients we need for this homemade remoulade sauce:

Ingredients for Outback Steakhouse remoulade sauce recipe.
  • mayonnaise
  • ketchup
  • Dijon mustard
  • fresh parsley
  • lemon zest
  • lemon juice
  • prepared horseradish
  • smoked paprika
  • garlic powder
  • hot sauce

(See recipe card for quantities.)

Instructions

Now that we've got our ingredients, let's make that remoulade!

A zested lemon and chopped parsley on a wooden cutting board with a Microplane zester.
  1. First, zest the lemon to equal 1 teaspoon and squeeze the juice to equal 1 tablespoon. Chop the parsley.
Stirring together Outback Steakhouse remoulade recipe in a glass bowl.
  1. Then, stir together all the ingredients in a bowl. Refrigerate until ready to serve.

Hint: Chop the parsley finely so that it mixes into the sauce more evenly.

Substitutions

Need to make some ingredient swaps? Here are some suggestions:

  • Mayonnaise - If you've been here before, you know I'm a Duke's mayonnaise girl. Duke's doesn't have any sugar in it, so if you use another type of mayo you may need to adjust the overall seasoning of the sauce. You can also substitute yogurt or sour cream for a tangier sauce.
  • Dijon mustard - Instead of Dijon mustard, use yellow mustard or spicy brown mustard. You could even use a tablespoon stone ground mustard for a little extra texture too.
  • Parsley - In a pinch, dried parsley will work. Or, use another fresh herb like dill or tarragon. Chopped green onion is also nice.
  • Smoked paprika - I love the smokiness of smoked paprika but use regular sweet paprika if that's what you have on hand.
  • Lemon juice - Swap a little white vinegar for the lemon juice if you'd like.

Variations

Check out these additional ways to change up this remoulade dipping sauce recipe:

  • Spicy - To make this sauce spicier, add more hot sauce or a dash of cayenne pepper. You can also increase the amount of horseradish.
  • Dill pickle remoulade - Add some chopped dill pickle or dill relish and pickle juice for a sauce more similar to tartar sauce.
  • Egg remoulade - Some traditional Louisiana-style remoulades include hard-boiled egg. Finely chop up a cooked egg and add as much or as little as you'd like.
  • Cajun remoulade - Add a teaspoon of Cajun seasoning to bring a smoky, peppery heat that's perfect for your favorite seafood dishes.
  • Chipotle twist - Omit the hot sauce. Grab a can of chipotle peppers in adobo sauce and add a little of the sauce from the can as well as some minced peppers. (Be careful--a little goes a long way.)

Equipment

Here's the equipment you'll need to make this tangy sauce recipe:

  • chef's knife
  • microplane zester
  • dry measuring cup
  • measuring spoons
  • small bowl
  • whisk

Storage

To refrigerate: Store leftovers in an airtight container for up to 1 week.

I don't recommend freezing this remoulade. It doesn't freeze well due to its mayo base and will become watery when thawed.

Tasty Tip

Let the sauce hang out in the fridge for at least 30 minutes before serving. That will allow all the flavors to meld together.

Bonus tip: Store this remoulade in a glass jar and use it throughout the week as a sandwich spread, seafood sauce, or veggie dip. If you're using it as part of a meal prep routine, it's also excellent paired with precooked shrimp, hard-boiled eggs, or grilled chicken in lunch bowls or wraps.

Frequently asked questions

Can I make this ahead of time?

You can! In fact, this sauce is one of those that tastes even better after a little while in the fridge.

Is this Louisiana remoulade a spicy sauce?

It's not necessarily spicy, but it does have a slight kick. If you're sensitive to heat, you can easily tame the spicy flavor by adjusting the amount of hot sauce and horseradish to your taste.

Can I use dried parsley instead of fresh?

You can, but fresh parsley has a more vibrant color and punchier flavor. In a pinch dried parsley works but in this case, fresh is best.

Is this gluten-free?

It is! But I recommend double-checking your bottles of mustard and hot sauce to make sure there's no sneaky gluten hiding in the ingredients list.

What else can I use this sauce for?

Oh it's so great on tons of things--anything fried, for one (like French fries, onion rings, and fried green tomatoes). Chicken sandwiches, burgers, and grilled veggies are also excellent options.

I added too much horseradish. Is there a way to mellow it out?

No worries! Just add a bit more mayo and ketchup to tone things down.

Can I use this as a dressing?

Yes! Thin it out with a little milk or buttermilk to make a creamy, tangy dressing for wedge salads, grilled shrimp bowls, or roasted veggie platters.

Is this like the Bloomin' Onion sauce at Outback?

Sounds like the Bloomin' onion is one of your family's Outback Steakhouse favorites too! This version is close to the Outback remoulade sauce, but mine has more lemon and parsley. If you want it sweeter, add a pinch of brown sugar. Cut back on the parsley too if you're aiming for a copycat recipe.

I want to try the Cajun twist you mentioned. What Cajun seasoning or Creole seasoning do you recommend?

Slap Ya Mama and Tony Chachere's are my go-tos, but any blend with paprika, garlic, and cayenne will work. Just watch out for sodium content. Some blends are on the salty side and could overpower the sauce. Add a little at a time and taste as you go.

Is it kid-friendly?

Totally! Just tone down the horseradish and hot sauce. My 10-year-old loves this sauce with chicken fingers, fried pickles, and sweet potato fries.

Related

Looking for other recipes like this? Try these:

  • Wooden tray topped with a light blue bowl of Cajun tartar sauce with hot sauce on top, a bottle of hot sauce on the side, as well as lemon wedges, parsley leaves, and a kitchen towel.
    Easy Homemade Cajun Tartar Sauce with Creole Mustard
  • Black-handled shallow bowl of Creamy Cilantro, Jalapeño, and Garlic Green Sauce with a small wooden spoon on a blue surface with a basket of tostones off to the side.
    Creamy Cilantro, Jalapeño, and Garlic Green Sauce
  • Dark wooden board with a pulled chicken sandwich topped with Alabama White BBQ Sauce and a jar of the sauce off to the side along with a bowl of chicken and pickles.
    How to Make the Best Alabama White BBQ Sauce
  • Metal platter of shrimp cocktail and lemon wedges with a white bowlThe Best 5-Ingredient Horseradish Cocktail Sauce.
    The Best 5-Ingredient Horseradish Cocktail Sauce

Pairing

These are my favorite dishes to serve with this creamy sauce:

  • Blue rimmed oval platter topped with crispy smashed potatoes garnished with chopped chives along with a white linen and small white bowl of more chives off to the side and a yellow bowl of sour cream on the platter.
    Crispy Smashed Fingerling Potatoes with Garlic
  • Metal Ovenex Starburst pan filled with Phillips Crab Cakes and a bowl of Cajun Tartar Sauce with lemon wedges and fresh herbs sprinkled on top.
    How to Make Crab Cakes with Cajun Tartar Sauce
  • Whistle Stop Cafe fried green tomatoes on green enamel plates with bowls of remoulade off to the side.
    Southern Fried Green Tomatoes with Tangy Remoulade
  • Crispy oven baked onion rings on a rimmed baking sheet.
    Crispy Oven Baked Onion Rings with Panko Crust

🍽Get the recipe

Remoulade sauce in a white bowl on a green enamel plate with parsley leaves on the side, a metal spoon in the bowl, a green striped cloth to the side, a stack of plates, and glasses of water.

Remoulade Sauce for Onion Rings, Po Boys, and More!

This creamy, punchy remoulade sauce recipe is a must-have for everything from fried shrimp or catfish to onion rings and Southern-style fried green tomatoes. It's quick to mix up and keeps well in the fridge, so you're always one dollop away from something delicious.
5 from 9 votes
Print Pin Rate
Course: Condiments and Sauces
Cuisine: American, Southern
Prep Time: 5 minutes minutes
Cook Time: 0 minutes minutes
Servings: 1 cup
Find Substitutions

Equipment

  • chef's knife
  • microplane zester
  • dry measuring cup
  • measuring spoons
  • small bowl
  • whisk
Prevent your screen from going dark

Ingredients

  • 1 lemon
  • ½ cup mayonnaise
  • 2 tablespoon ketchup
  • 2 tablespoon chopped fresh flat-leaf parsley
  • 1 tablespoon Dijon mustard
  • 2 teaspoon prepared horseradish
  • ½ teaspoon smoked paprika
  • ½ teaspoon garlic powder
  • ½ teaspoon hot sauce

Instructions

  • Zest the lemon to equal 1 teaspoon. Cut the lemon in half and squeeze the juice to equal 1 tablespoon.
  • Stir together the lemon zest, lemon juice, mayonnaise, ketchup, parsley, mustard, horseradish, smoked paprika, garlic powder, and hot sauce. Refrigerate until ready to serve.

Notes

  • Prepared vs. fresh horseradish: This recipe calls for prepared horseradish (the kind found in a jar, typically mixed with vinegar). If you use freshly grated horseradish, reduce the amount slightly--it's much more potent and less tangy than the jarred version.
  • This is the perfect make-ahead recipe since the flavors only improve over time in the fridge.

RECIPE GUIDELINES AND TEST KITCHEN TIPS

When developing and testing recipes, here are some key things that I do for more success in the kitchen:

  • Be sure to use dry measuring cups for things like flour, sugar, and mayonnaise and a liquid measuring cup for things like water, milk, and broth.
  • When measuring dry ingredients like flour and powdered sugar that can pack down, spoon the ingredient into a dry measuring cup and level with a knife as opposed to scooping the measuring cup into the ingredient.
  • I test and develop recipes using a standard electric oven and standard gas stovetop. Be aware that if you use an electric stovetop or convection oven, your bake times will be different.
  • When recipes call for kosher salt, I use Diamond Crystal kosher salt.

FOOD SAFETY

Don't forget to keep these food safety tips in mind when making this recipe:

  • Cover and refrigerate any leftovers--don't let them hang out at room temperature for too long
  • Always have good ventilation when using a gas stove

See more guidelines at USDA.gov.

More Flavor Boosters: Condiments, Sauces, and Frostings

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    How to Make the Best Homemade Creamy Ranch Dressing
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  • Crimped uncooked all butter pie crust in a pie tin with a white cloth, white bowl of flour, and green handled rolling pin off to the side.
    Flaky All Butter Pie Crust Recipe (Makes 2 Crusts)
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    Double-Batch Homemade Cream Cheese Frosting Recipe

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Reader Interactions

Comments

  1. Carlos says

    January 19, 2026 at 6:18 pm

    5 stars
    This remoulade sauce is tangy, creamy, and perfect for dunking onion rings, po’boys, or pretty much anything else you can think of!

    Reply
  2. Janet says

    January 16, 2026 at 10:53 am

    5 stars
    This is so delicious! I used it on my turkey burgers, and they were amazing.

    Reply
  3. Stef says

    January 15, 2026 at 3:14 pm

    5 stars
    Loved the horseradish in this! So good!

    Reply
  4. Nicole says

    January 15, 2026 at 12:26 pm

    5 stars
    It's the first time I make remoulade sauce and I have to say it's soooo delicious, I want to use it for everything! Such a tasty sauce!

    Reply
  5. Claudia says

    July 23, 2025 at 11:36 am

    5 stars
    Just whipped up this remoulade sauce—so creamy and tangy! Perfect with onion rings and even better on po' boys. 🧄🍔

    Reply
    • AshleyFreeman says

      July 25, 2025 at 8:12 am

      Oh yeah! The best!

      Reply
  6. Elizabeth says

    July 22, 2025 at 9:55 am

    5 stars
    This remoulade sauce was the perfect dipping sauce for my homemade onion rings! My husband loved it as well. Great flavor and easy to make!

    Reply
    • AshleyFreeman says

      July 25, 2025 at 8:10 am

      Love that! It's perfect for onion rings!

      Reply
  7. Jaleah says

    July 22, 2025 at 7:40 am

    5 stars
    This sauce is amazing! It is so flavorful and easy to make.

    Reply
    • AshleyFreeman says

      July 25, 2025 at 8:09 am

      Thanks so much Jaleah! Your note made my day!

      Reply
  8. Swathi says

    July 21, 2025 at 8:36 pm

    5 stars
    Remoulade sauce is so versatile. I enjoyed this sauce with both onion rings and fries.

    Reply
    • AshleyFreeman says

      August 02, 2025 at 6:28 am

      You're so right! It's a great dip for so many things!

      Reply
  9. Amy says

    July 21, 2025 at 7:54 pm

    5 stars
    I made this to have with a focaccia bread and it tasted really nice. The zesty flavor of the ketchup and lemon paired really well with the olives of my focaccia.

    Reply
    • AshleyFreeman says

      August 02, 2025 at 6:29 am

      Amy, I love this idea! I'm going to have to try that pairing myself!

      Reply
5 from 9 votes

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Photo of Ashley Strickland Freeman in a kitchen.

Hi, I'm Ashley, "your best friend in the kitchen." I'm a food stylist, culinary producer, editor, travel junkie, and author of The Duke's Mayonnaise Cookbook from Charleston, SC. Thanks for stopping by Little Black Skillet!

More about me →

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