This Creole Mustard Sauce is a bold, zesty condiment with just the right amount of heat and tang.

Made with whole grain mustard, mayonnaise, and a punchy blend of horseradish, herbs, and Creole seasoning, this sauce is creamy, flavorful, and incredibly versatile.

Whether you’re dipping, spreading, or drizzling—it’s the finishing touch that makes every bite unforgettable.

Why You’ll Love This Recipe

Quick and easy to make – Comes together in 5 minutes or less

Flavor-packed – Spicy, creamy, and full of bold Louisiana-inspired flavor

No cooking required – Just mix and chill

Customizable – Adjust spice and sweetness to your taste

Great with everything – Use as a dip, sandwich spread, or seafood sauce

What You’ll Need (Ingredient Highlights)

Real mayonnaise – The creamy base that brings it all together

Whole grain mustard – Adds texture, tang, and deep mustard flavor

Prepared horseradish – Spicy and sharp for bold heat

Ketchup – Just a touch for subtle sweetness and balance

Lemon juice – Brightens and lifts the richness

Creole seasoning – Adds Cajun flair with herbs and spices

Minced garlic – Fresh aromatic depth

Worcestershire sauce – A dash of umami

Dried parsley and chives – Earthy herbs that enhance the sauce

Sugar (optional) – Balances acidity and heat

Pro Tips Before You Start

Use high-quality mayonnaise – It’s the base of the sauce, so it matters

Adjust heat – Add more or less horseradish and Creole seasoning based on your spice tolerance

Chill before serving – Letting the sauce rest helps the flavors meld

Double the recipe – It keeps well and goes with everything

Use fresh herbs – If available, swap dried parsley and chives for fresh versions

How to Make Creole Mustard Sauce

Step 1: Mix the Ingredients
In a small bowl or large measuring cup, combine the following: ⅔ cup mayonnaise, 4 tablespoons whole grain mustar.

2 tablespoons prepared horseradis, 1 tablespoon ketchu, 2 teaspoons lemon juic, 2 teaspoons dried parsle.

2 teaspoons dried chive, 2 teaspoons Creole seasonin, 1 teaspoon minced garli, 1 teaspoon Worcestershire sauc, ½ teaspoon sugar (optional)

Step 2: Whisk Until Smooth
Use a whisk to blend everything together until fully combined and creamy.

Step 3: Chill for Best Flavor
Cover and refrigerate for 30 minutes to 1 hour before serving.

This allows the flavors to fully develop.

What to Serve With Creole Mustard Sauce

Fried shrimp or crab cakes – Classic seafood pairing

Grilled sausage or chicken – A spicy-creamy complement

Roasted potatoes or fries – Makes an amazing dipping sauce

Po’ boys and sandwiches – Use in place of mayo or aioli

Deviled eggs – Add a spoonful to your filling for a spicy twist

Vegetable platter – A flavorful alternative to ranch dip

Variations / Substitutions

Use Dijon or spicy brown mustard – If you don’t have whole grain

Add hot sauce – For more heat and acidity

Make it vegan – Use vegan mayo and Worcestershire

Use fresh herbs – Triple the quantity if swapping dried for fresh

Sweeten naturally – Try honey or maple syrup in place of sugar

Storage & Make-Ahead Tips

Refrigerate – Store in an airtight container for up to 7 days

Do not freeze – Mayo-based sauces can separate and lose texture when thawed

Stir before serving – Some separation is normal after chilling

Make ahead – Flavors intensify after a few hours in the fridge

Use clean utensils – Helps maintain freshness and food safety

FAQs

Can I use this as a marinade?
Yes! This sauce works beautifully as a marinade for chicken or pork.

Let the meat soak for at least an hour.

Is this sauce very spicy?
It has a gentle kick, but you can increase or reduce the horseradish or Creole seasoning to suit your taste.

What is Creole seasoning?
It’s a flavorful blend of paprika, garlic, onion, thyme, oregano, and sometimes cayenne pepper.

You can buy it pre-made or mix your own.

Can I use fresh parsley and chives?
Yes. Use 3x the amount of dried herbs when substituting with fresh ones.

Does this sauce contain dairy?
No, this version is dairy-free and made with mayonnaise, not sour cream or cream cheese.

Can I serve this warm?
It’s best served cold or at room temperature, but you can gently warm it for specific uses like over grilled vegetables or meats.

Final Thoughts

This Creole Mustard Sauce brings bold Southern flavor to your table with minimal effort.

Whether you’re dipping, drizzling, or spreading, it’s an easy way to elevate everyday meals.

Keep a jar in the fridge and you’ll always have a quick burst of flavor on hand—perfect for seafood, meats, and more.