This cool and creamy Crab Cake Sauce has just enough tanginess, smokiness, and spice to pair with far more than crab cakes. It’s fantastic with fries and other crispy finger foods, spread on sandwiches, and even with steak!

Table of Contents
This simple mayo-based Crab Cake Sauce is very similar to remoulade, but is extra creamy! It’s truly the best sauce for crab cakes because of the sour cream, creamy horseradish, fresh lemon, and chives.
The flavor is pleasantly rich with a touch of lemony tang and a zesty, herbaceous zing.
You can also serve it with so much more than crab cakes. It’s delicious with more crispy fried seafood recipes, like calamari, shrimp, and scallops, or spread on po’boy, pit beef, and shrimp roll sandwiches.

For more flavorful sauces to serve with seafood, check out this list of 30+ Classic Sauces for Fish.

- Mayonnaise – Try to use full-fat mayo for the best flavor (like Hellman’s or Duke’s).
- Sour cream – Tangy sour cream elevates the base of the crab cake sauce. It’s also rich, creamy, and cooling, which perfectly complements smoky and spicy ingredients.
- Chives
- Paprika – Or, try one of these paprika substitutes.
- Horseradish – I like using creamy horseradish because it adds a distinct fiery flavor without overpowering the sauce. Use prepared horseradish for a more pronounced horseradish taste.
- Lemon – Fresh juice and zest add enough acidity to balance the creamy, herbaceous, smoky, and spicy flavors.
How to make it
- Just add all of the ingredients to a bowl and mix well to combine.
- After mixing the ingredients, give the sauce a taste and adjust the flavors if needed. And that’s it!
Quick tip: Remoulade-style sauces like this will taste better if they’re left to chill in the fridge for 1 or 2 hours before serving. This gives the different dimensions of flavor time to mingle and merge into a rounded, full-bodied crab remoulade sauce.
FAQs
Technically, yes. But remember, crab cake sauce made with store-bought mayo stays fresher longer. Crab cake sauce made with homemade mayo will only last for about 2 or 3 days.
No, not really. The creamy horseradish brings heat, but as a whole, the sauce is mild. You may want to omit the horseradish or substitute it for pickle relish if you’re sensitive to spice.
Alternatively, turn up the heat and make a spicy crab remoulade instead. Blend the ingredients with a couple of chipotle peppers or mix in a dash of hot sauce. A pinch of cayenne will also do the trick.

How to make ahead and store
- As with all mayonnaise-based sauces, this sauce must also be stored in the refrigerator. It will keep in an airtight container for about 2 weeks.
- Freezing your crab cake dipping sauce is also an option, but some separation may occur during thawing.

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PS – Check out these 28+ best sides for crab cakes too!

Full Recipe
Crab Cake Sauce
Equipment
Ingredients
- ½ cup mayonnaise
- ¼ cup sour cream
- 2 Tablespoons chopped fresh chives
- 2 teaspoons paprika
- 1 teaspoon creamy horseradish
- 1 Tablespoon fresh lemon juice (plus 1 teaspoon lemon zest)
Instructions
- Combine ingredients in a small bowl and stir to combine.
- After mixing the ingredients, give the sauce a taste and adjust the flavors if needed.
- For best results, let the sauce rest in the refrigerator for 1-2 hours before using to allow the flavors to meld together.
Notes
- This sauce will keep in an airtight container for about 2 weeks.
- You can also freeze this sauce for about 3 months, but some separation may occur during thawing.
Nutrition
This post was originally published in 2022. It was updated in 2024 to add new information. The simple sauce for crab cakes recipe remains the same. Enjoy!














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