Cajun Dipping Sauce is the dipping sauce you never knew you needed. It’s the perfect savory-spicy with a hint of sweetness. 

Cajun Dipping Sauce Recipe 

If there’s one thing about people who love Cajun food, it’s that we LOVE flavor. The more spicy, salty, sweet goodness, the better. 

This Cajun Dipping Sauce is all of that and more, and you can slather it on everything. We like it with our Louisiana-style Boudin Balls and on a Boudin Board, but you won’t regret dipping chicken fingers, fish sticks, fries and other Cajun appetizers in this creamy, tangy sauce with a kick.

Now, I’m not originally from Louisiana, so this Cajun mayo is newer to me, but it is absolutely one of my favorites now.

One of our friends asked me to “bring that good dippin’ sauce for the crawfish. You know, the one!”

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I’d never made anything like it before, but I followed her instructions, and this is the sauce we now serve with just about everything. (Thanks, Tara!)

Like many fry sauces, it starts with a base of ketchup and mayonnaise, but that’s where the similarities end. From there, we add freshly squeezed lemon juice, hot sauce, horseradish and Cajun seasoning. See what I mean about flavor? It is jam-packed! Let’s get into how to make it.

Why I love this recipe:

I love dips, especially for French fries and tater tots. It’s a fun twist on fry sauce with a Cajun kick.

This Cajun dipping sauce is one of my favorites because it is an easy sauce to make that takes very little time that packs in a ton of flavor. You can also customize it to your tastebuds. So if you want to make it a SPICY Cajun dipping sauce, I’ve got notes for you below!

​Here are some more reasons why I love this:

• It has so many uses. This creamy sauce works as an excellent dip for chicken nuggets or fish sticks. You can slather it on a Cajun turkey burger or pair it with boiled crawfish.
• It’s easy to make. If you make Cajun food a lot, you probably already have most of the ingredients in your pantry and spice rack. 
• And it is sooo flavorful. If you’re looking for a quick dip to serve with appetizers, this is the one, trust me. 

More sauce recipes to try: Homemade Spicy Sweet Barbecue | Spicy Homemade Enchilada Sauce | Avocado Cream Sauce | Parsnip Fries with Tahini Sauce

What you need to make this recipe:

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• Measuring cups and spoons
• Bowl
• Whisk or spoon
• Knife and cutting board (for cutting the lemon)
• Lemon squeezer or juicer
• Jar for storage

Here are the handful of ingredients that you’ll need:

• Mayonnaise — look for real mayonnaise made with egg yolks, not salad dressing. We are a Duke’s family, but use your favorite. Alternatively, you can make your own mayo at home with olive oil and an egg. 
• Ketchup — choose a ketchup made with simple ingredients like tomatoes, vinegar, and spices. Tomato sauce or paste can be a substitute if needed, but you may need to add a pinch of sugar to get that sweetness.
• Lemon juice — purchase fresh lemons and squeeze them yourself for the best flavor. Bottled lemon juice can work in a pinch.
• Worcestershire sauce — this adds some more depth to this savory sauce.
• Hot sauce — choose your favorite brand and heat level. Tabasco, Cholula or Sriracha are all popular options. Cayenne pepper can substitute in a pinch. You can add as much or as little as you like! 
• Cajun seasoning — a blend of paprika, garlic, onion, cayenne, and other spices. Creole seasoning can substitute. You may use homemade Cajun seasoning or your favorite brand from the store. Most Cajun seasonings contain salt. If yours is salt-free, you should add some salt to taste.

Customizations and substitutions

You can use Cajun seasoning or Creole seasoning here. Cajun seasoning includes heat from red pepper, plus salt, black pepper and garlic powder. 

Creole seasoning usually includes spicy red pepper and herbs like thyme, oregano, basil, and bay leaf. Feel free to use Creole seasoning* (affiliate link), but maybe call it Creole sauce instead!

Add horseradish if you want a bit of a spicy kick. Look for prepared horseradish in a jar. 

How to make Cajun Dipping Sauce

Making this sauce is so dang easy! And sooo good. You won’t want to buy it ever again.

First, juice your lemon and measure out all the ingredients. Combine mayonnaise, ketchup, lemon juice and 2-3 dashes of hot sauce (you can add more later if you like!) in a small mixing bowl. 

Mix until combined. 

Taste and season with Cajun or Creole seasoning. Add more hot sauce or seasoning if you want some more heat. 

What to serve with Cajun Dipping Sauce

Serve this Cajun dip sauce with various items like: 

• Fries
• Sweet potato fries
• Baked crab cakes
• Parsnip fries
• Boudin balls 
• A veggie tray
• Chicken nuggets or chicken tenders
• Fish sticks
• Boiled crawfish 
• Fried pickles
• Hush puppies
• Crab legs 

It has so many uses beyond a dipping sauce. Mix it into deviled eggs. Slather it on a burger. Drizzle it over eggs and hash. Use it instead of remoulade for various seafood dishes.

How to store

Store this sauce in a food-safe, airtight container such as a mason jar. Enjoy it within 1-2 weeks, if it even lasts that long! But do not freeze it — it won’t thaw nicely. 

Erin’s Easy Entertaining Tips

This Cajun-flavored dipping sauce is one of my favorite ways to add extra flavor to anything.

If you want to whip up a batch of this to share with others for any type of gathering, here are some things I would do:

• This sauce contains mayonnaise, which means it can’t stay at room temperature. Keep this sauce in the fridge before you serve it, and toss it after 2 hours. 
• Serve it in a small but wide, shallow bowl to make it easy to dip items into. 
• Make it a day ahead of time and stash it in the fridge until you need it for a party. 
• Double or triple the recipe for a crowd.

Frequently Asked Questions

Quick tips and tricks to making the best Cajun Dipping Sauce

• Use regular mayonnaise, not fat-free, for the best flavor. Make your own mayonnaise to make this sauce even more decadent. 
• Use fresh-squeezed lemon juice. The freshly squeezed juice will make a huge difference in the flavor and provide the perfect acidic kick to each bite.
• Season it to taste. Start with a little hot sauce and seasoning, then add more if your taste buds tell you to! 

More Cajun recipes to try:

• Crawfish Etouffee
• Cajun Shrimp Fettuccine Alfredo
• Seafood Gumbo
• Cajun Turkey
• Cajun Shrimp and Grits

Here’s how you make this one…