Make homemade horseradish sauce with sour cream and mayo in just five minutes! This creamy sauce is great with prime rib and other steaks. It also works well with burgers, sandwiches, and our favorite fish recipes. This tangy sauce gives a tasty boost to any dish.

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Why We Love This Recipe
This restaurant-style sauce is bold, tangy, and the perfect match for steak, seafood, and sandwiches. My husband won’t eat a steak without it!
It's ready in 5 minutes and adds the perfect finishing touch to any dish.
It’s makes a great dip for cut-up vegetables.
It's low in carbs, has no preservatives making it way better than anything you can buy at the store.
What is Prepared Horseradish?
One of this recipe's ingredients is prepared horseradish. Horseradish is a root vegetable from the same family as mustard, wasabi, and broccoli called Brassicaceae. It is known for its pungent flavor.
Packaged grated horseradish is called prepared horseradish and is mixed with vinegar and salt to preserve its flavor.
When you mix prepared horseradish with sour cream, it turns into a zippy sauce that's delicious! It goes great with prime rib, roast beef, baked potatoes, or as a dip for veggies and seafood.
The sour cream helps mellow the sharp flavor of the horseradish.

Ingredients
The best prepared horseradish is in the refrigerated section of the grocery store. You can usually find it in small glass jars. Popular brands include Gold's and Silver Spring.
If you can't find it in the fridge, try shelf-stable prepared horseradish in the condiments aisle.
- sour cream
- mayonnaise
- prepared horseradish – Squeeze out the water before adding it to keep the sauce from getting too thin. You can adjust the amount based on how spicy you like it.
- Dijon Mustard
- lemon Juice
- sugar – A small amount of sugar creates a well-rounded taste.
- kosher salt and black pepper – Use coarse salt and a pepper mill best flavor.
How To Make Horseradish Sauce
- Mix sour cream, mayonnaise, and prepared horseradish in a small bowl. Stir in Dijon mustard, lemon juice, sugar, kosher salt, and freshly ground black pepper. Blend until smooth.
- Cover and chill at least 30 minutes until ready to use.
- Serve with fish, steaks, prime, rib, or as a dip with veggies.
You can customize the recipe by adding fresh herbs like parsley or chives for extra flavor and a pop of color.
Storage: Refrigerate in an airtight container for up to 1 week.

What Goes with Horseradish Sauce?
Horseradish sauce goes well with many types of beef. You can serve it with prime rib, filet mignon, reverse seared New York strip steak, or pan-seared chuck steak. It's like peanut butter and jelly for steak lovers!
It’s great on cold sandwiches and wraps, adding little kick to roast beef, ham, fish, and baked or smoked salmon. Try it as a spread for extra flavor!
If you enjoy the zesty flavor of horseradish sauce with fish, try it with our favorite recipes. Check out these options: crispy yellowtail sandwiches, fried mahi mahi, and broiled snapper.
Looking for more ways to use it? Stir it into mashed potatoes, deviled eggs, or coleslaw. It even makes a bold, creamy dip for roasted potatoes and roasted broccoli.
Key Points
- Horseradish sauce with sour cream is perfect for prime rib, steaks, sandwiches, and seafood. It mixes sour cream, mayo, and prepared horseradish for a smooth and tasty kick.
- Horseradish is a spicy root vegetable related to mustard and wasabi.
- Prepared horseradish is grated and mixed with vinegar and salt to preserve its bold taste. When combined with sour cream, it creates a rich, tangy sauce that enhances meats, seafood, and vegetables.
- Horseradish sauce goes well with beef, from prime rib to roast beef sandwiches. It also adds a punch to smoked salmon, baked fish, and wraps. Try mixing it into mashed potatoes, deviled eggs, or coleslaw for extra flavor.
More great toppings for your meals:
If you are enjoying this creamy dipping sauce, please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment. Check out more delicious recipes from Cooking in The Keys!

Horseradish Sauce with Sour Cream and Mayo
Ingredients
- ¾ cup sour cream
- 2 tablespoons mayonnaise
- 2-3 tablespoons prepared horseradish, drained, (start with 2T and add more to taste)
- 1 tablespoon Dijon mustard
- 2 teaspoons lemon juice or white vinegar
- ½ teaspoon sugar
- ½ teaspoon kosher salt
- freshly ground pepper
Instructions
- Mix sour cream, mayonnaise, and prepared horseradish in a small bowl. Stir in Dijon mustard, lemon juice, sugar, kosher salt, and freshly ground black pepper. Blend until smooth.
- Cover and chill at least 30 minutes until ready to use.
- Serve with fish, steaks, prime, rib, or as a dip with veggies.
Herb says
A new favorite at our table! Easy to make and tastes great.