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Keto Horsey Sauce

Keto Horsey Sauce, a copycat version of the famous Arby’s Horsey Sauce, is the perfect sauce, condiment and even dip to use whenever there’s meat involved. If you’re a meat lover, and who isn’t who is doing keto, then you NEED this keto Horsey Sauce in your life and in your fridge, and I’ll show you just how to make it!

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Made with just a few ingredients, this keto horseradish sauce recipe is so super easy and keeps a good while in the fridge, so you can always have some on hand for roast beef, which is my favorite meat to pair it with.

What You Need to Make Keto HOrsey Sauce

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Ingredients to Make Keto Horseradish Sauce

Outside of salt and pepper, this easy peasy recipe has three ingredients. Are you ready for this?

  • Creamy horseradish – make sure you use the creamy kind, not the grainy grated pure horseradish
  • Mayonnaise
  • Sour cream

Yup, that’s it! It’s all about the balance of these ingredients, and of course, a touch of salt and pepper and even a squeeze of lemon.

What Is Creamed Horseradish?

Horseradish is a root vegetable that has a sharp, almost spicy flavor. It is simply peeled and grated finely and with a touch of added vinegar, it’s a tangy condiment for meats and other eats.

Creamed horseradish is slightly different. There are a few other ingredients in creamed horseradish that both temper the flavor (it’s not so spicy) and make the consistency a little smoother.

Some of the added ingredients can contain marginal amounts of cornstarch or other thickeners, but the carb count is still really very low, making this a keto-friendly recipe. Strict ketoers should look for a creamed horseradish with no cornstarch.

HOw to Make This Easy Horsey Sauce

  1. Measure the horseradish, mayonnaise, and sour cream and blend well in a bowl.
  2. Season with salt and pepper.
  3. That’s it!
keto horsey sauce in a bowl
Keto Horsey Sauce

Chef Jenn’s Tips

  • Use creamed horseradish. There are a few more ingredients in this, so look for one with the lowest possible carbs per serving
  • If you like your keto Horsey Sauce a bit tangier, add a tablespoon of cider vinegar
  • If you like it extra spicy, add an extra teaspoon or two of creamed horseradish to get it where you want it flavor-wise
  • Add some chopped parsley or chives to give this an herbal kick!

What To Serve With Keto Horsey Sauce

Roast beef is a natural pairing with this sauce, which is how Arby’s Horsey Sauce got famous in the first place! Slather it on a roast beef sandwich, or serve it on the side next to a roast beef dinner. Try it with this French Dip Chaffwich!

I like this horseradish sauce with other meats, too, like grilled pork or chicken, and even grilled shrimp. Go gourmet and try it with this keto Sous Vide Pork Loin recipe, or this crazy good smoked bacon-wrapped pork recipe.

Or, just dunk some veggies into it!

Is Keto Horsey Sauce Freezable?

Sadly, no. Sour cream doesn’t play nice in the freezer. But the good news is this sauce will keep a week or more in the fridge!

Is Horsey Sauce Keto?

Yes! With just about 1 net carb per hefty two tablespoon serving, this sauce, dip and condiment is totally keto!

How long does it take to make keto Horsey Sauce?

It only takes about five minutes to make this simple sauce.

How long will keto Horseradish Sauce keep?

If your sour cream is fresh, this sauce will keep a week to 10 days in the fridge.

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5 from 6 votes

Keto Horsey Sauce

Smooth and tangy with a bit of a spicy kick, this keto Horsey Sauce is an amazing condiment to go with beef or grilled meats, or just for dunking your fav veggies into!
Course Sauces / Spices / Dressings
Cuisine American
Prep Time 5 minutes
Total Time 5 minutes
Servings 4 servings
Calories 127kcal
Author Chef Jenn


  • 1/4 cup mayonnaise
  • 1/4 cup sour cream
  • 2 tablespoons creamed horseradish
  • tiny pinch of salt and pepper to taste


  • Blend all ingredients together and serve!


Serving: 2tablespoons | Calories: 127kcal | Carbohydrates: 1g | Protein: 1g | Fat: 13g | Saturated Fat: 3g | Cholesterol: 13mg | Sodium: 132mg | Potassium: 39mg | Fiber: 1g | Sugar: 1g | Vitamin A: 90IU | Vitamin C: 2mg | Calcium: 20mg

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed. Erythritol carbs (sugar substitutes) are not included in the carbohydrate counts as they have been shown not to impact blood sugar, and they have zero calories and zero carbs. Net carbs are the total carbs minus fiber.

about jenn

Hi, I’m Jenn!

I’m a cookbook author (Keto Soup Cookbook and Keto Diabetic Cookbook and Meal Plan) as well as a retired chef, recipe developer, and writer of this blog (that’s a lot of hats!). I embarked on a journey to create foodie-worthy Keto-friendly meals that any home cook can be proud of! No matter if you’re low-carb, no-carb, dirty, or strict Keto, there are recipes in Keto Cooking Wins for you and your family. Read more...

14 thoughts on “Keto Horsey Sauce”

  1. 5 stars
    Oh I do like horseradish. I didn’t know it was called horsey sauce when mixed with mayo. I’ll have to remember that.

  2. 5 stars
    Horsey sauce is my favorite! I used to always grab extras and keep them on hand for dipping fries 🙂 but not, I would love some of this on some beef or chicken.

  3. 5 stars
    Such a great sauce! I love horseradish, may and sour cream! Combining all three is an amazing idea. I had all the ingredients at home and made it quickly as a dipping sauce for the steak we had for dinner. So delicious!

  4. 5 stars
    Sauces with a hint of horseradish are the perfect amount of spice! I can see how this would pair nicely with many meat recipes.

    • Hey Jonathon! It’ll keep for 4-5 days in the fridge, maybe a day or two longer if your dairy is super fresh! Enjoy, and thanks for stopping by! ~Jenn

5 from 6 votes

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