Horseradish Sauce Recipe: Creamy, Zesty Condiment in 5 Minutes

I made this horseradish sauce for the first time because I had leftover prime rib and nothing decent to serve alongside it. I figured I'd just stir a few things together and it would be fine — but the result was so much better than I expected that I've been making it ever since. Five minutes, one bowl, no cooking. That's it.

What makes this version work is the balance. The sour cream softens the sharp bite of the horseradish without killing it, the Dijon adds a little mustard tang, and the lemon juice or white vinegar ties everything together with a bit of brightness. I don't use equal parts of everything — the sour cream is the base, the horseradish is the star, and the mayo is just there to make it silky. Get that ratio right and you've got something that actually tastes like it came from a steakhouse.

My husband is the one who pushed me to write this up. He puts this on everything — roast beef, steak sandwiches, even spooned over steak bites when I make those. Zainab, predictably, declared it "too spicy" the first time but then dipped four potato wedges in it before I could stop her. Kids are like that.

One thing to know going in: this sauce needs at least 30 minutes in the fridge before you serve it. I know that feels unnecessary for something this simple, but it genuinely makes a difference. The flavors meld and the heat from the horseradish settles into something more rounded rather than raw and sharp. Don't skip the chill time.

Why You'll Love This Recipe

• Ready in 5 minutes flat: There is genuinely no cooking involved here — you stir things together in a bowl and you're done. I've made this while the roast was still resting on the counter, and it was ready by the time I finished slicing. On busy evenings that matters more than people realize.

• You can dial the heat up or down: The recipe calls for 2 tablespoons of prepared horseradish, which gives you a noticeable kick without being aggressive. If you want more fire, add another tablespoon. If you're serving people who run from spice, start with just one. I've made both ends of that spectrum for family gatherings and everyone was happy.

• It uses things you probably already have: Sour cream, mayonnaise, Dijon mustard, lemon juice or white vinegar — these are things that tend to already be in my fridge. The only thing you might need to grab specifically is the prepared horseradish, which you'll find in the refrigerated condiment section at most grocery stores, near the deli meats.

• It goes with more than just beef: Yes, this is the classic pairing for roast beef and prime rib. But I've also served it alongside smoked salmon, roasted cauliflower, and as a dipping sauce for potato wedges. It even works as a sandwich spread. Once you have a jar of this in your fridge, you'll find excuses to use it.

• It actually gets better the next day: Fresh horseradish has a raw, sharp bite that softens overnight in the fridge. I often make this a full day ahead — especially before a holiday dinner — because the flavor is noticeably rounder and more developed. It keeps for up to a week, so there's no reason not to make it ahead.

Ingredients

• ½ cup sour cream
• 2 tablespoons prepared horseradish (or more to taste — I usually do 2½ tablespoons)
• 1 tablespoon mayonnaise
• 1 teaspoon Dijon mustard
• 1 teaspoon white vinegar or lemon juice
• ¼ teaspoon salt
• ⅛ teaspoon freshly ground black pepper
• Chives or parsley for garnish (optional, but nice)

Directions

1. Mix the ingredients: Add the sour cream, prepared horseradish, mayonnaise, Dijon mustard, and vinegar (or lemon juice) to a medium bowl. Stir everything together until smooth and evenly combined. There should be no streaks of sour cream left — take an extra 30 seconds to make sure it's fully incorporated.
2. Season it: Add the salt and black pepper, then taste. This is where you adjust — if you want more heat, stir in another half tablespoon of horseradish. If it's too sharp, a tiny extra squeeze of lemon juice smooths it out. The first time I made this I under-seasoned it and it tasted flat, so don't skip the tasting step.
3. Chill before serving: Cover the bowl with plastic wrap or transfer to a small jar with a lid, and refrigerate for at least 30 minutes. This rest time lets the flavors settle and meld — the sauce will taste noticeably better after chilling than it does fresh from the bowl.
4. Serve cold: Spoon into a small dish and garnish with chopped chives or parsley if you'd like. Serve cold alongside roast beef, steak, smoked meats, or as a dipping sauce for vegetables.

Tips for Success

• Use refrigerated prepared horseradish, not the cream-style: There are two kinds in most stores — plain prepared horseradish (just grated horseradish and vinegar) and cream-style horseradish (already mixed with mayo or cream). You want the plain version for this recipe. The cream-style has its own seasoning that throws off the balance, and it's usually milder. I found this out the hard way when I grabbed the wrong jar once and the sauce came out bland.

• Add the horseradish gradually if you're heat-sensitive: Start with 1 tablespoon, taste, then add more. Horseradish varies in intensity depending on the brand and how fresh it is, so the same amount can hit very differently on different days. I usually taste as I go and land somewhere between 2 and 3 tablespoons depending on who's eating.

• Don't skip the acid: The lemon juice or white vinegar isn't just for flavor — it helps balance the richness of the sour cream and mayo. Without it, the sauce tastes a little flat and heavy. I've tested both and I slightly prefer lemon juice for freshness, but white vinegar is fine if that's what you have open.

• Make it ahead for the best flavor: This is one of those sauces that genuinely improves with time. I'll often make it the night before a dinner and just pull it from the fridge when we're ready to eat. The chilling time allows everything to come together so the horseradish heat feels integrated rather than raw. If you're making it for guests, this is the move — one less thing to do day-of.

• Keep it cold all the way to the table: Horseradish sauce loses some of its sharpness and freshness when it warms up. I take it out of the fridge right before serving, not 30 minutes early. If you're putting it out for a longer spread, set the bowl inside a slightly larger bowl with a few ice cubes underneath — it stays cold and stays bright.

Variations

• Greek yogurt base: Swap the sour cream for full-fat plain Greek yogurt. The result is tangier and a little lighter, and it works really well if you're serving this with fish or roasted vegetables rather than beef. I started doing this occasionally when I'm out of sour cream and honestly I like it just as much. Use full-fat yogurt — the low-fat versions can make the sauce watery.

• Herbed version: Stir in a tablespoon of finely chopped chives, dill, or flat-leaf parsley right before serving. It adds a little color and a fresh, grassy note that balances the sharpness of the horseradish nicely. My husband prefers it plain, but I like the herb version alongside smoked salmon especially.

• Sweet and spicy: Add a teaspoon of honey or maple syrup for a sweet contrast. This version is particularly good with ham or pork — the sweetness softens the bite and makes it feel more like a glaze than a condiment. Zainab actually likes this version because the honey takes the edge off the heat.

• Garlic-infused: Add ¼ teaspoon of garlic powder or one small clove of fresh garlic, minced very fine. It pushes the sauce in a slightly more savory direction that pairs really well with roasted meats and even as a spread on sandwiches. If you're making Cajun steak or something bold, the garlic version of this sauce holds its own alongside it.

• Dairy-free version: Use plant-based sour cream and vegan mayonnaise — both are available at most larger grocery stores now, including Walmart and Trader Joe's. The flavor and texture stay very close to the original. The Dijon mustard and horseradish do most of the work anyway, so the dairy-free swap is less dramatic here than it would be in a cream-based pasta sauce.

Serving and Storage

Serving

Serve this cold, straight from the fridge. It works as a classic accompaniment to roast beef, prime rib, or steak — spoon it into a small ramekin alongside the sliced meat. It's also excellent as a sandwich spread, especially on a beef or turkey sandwich with sharp cheddar. I've used it as a dipping sauce for potato wedges, roasted cauliflower, and even alongside my Roasted Garlic Cheddar Cauliflower Soup as an extra condiment on the side — it sounds odd but the combination is really good. In the US and UK, you'd typically see this served with prime rib at holiday dinners; in my house we serve it any time there's beef on the table.

Storage

Transfer to a small airtight jar or container and refrigerate for up to one week. I use a small mason jar — it seals well and you can shake it to re-incorporate if it separates slightly at the top. Don't freeze this sauce; the sour cream and mayo will break and the texture turns grainy and unpleasant once thawed. Just make it fresh — it takes five minutes anyway.

Frequently Asked Questions

Can I use jarred horseradish instead of fresh grated?

Yes, and that's what I use most of the time. Fresh grated horseradish is sharper and more pungent, but good-quality jarred prepared horseradish works really well here. Just make sure you're using plain prepared horseradish — the kind with just grated horseradish and vinegar — not cream-style horseradish sauce, which is already mixed with dairy and will throw off the balance of this recipe.

How far ahead can I make this?

You can make this up to 3 days ahead, and I actually recommend making it at least the night before. The flavor genuinely improves as it rests — the horseradish heat mellows slightly and integrates with the sour cream instead of sitting on top of it. If you're planning a holiday dinner or a weekend roast, this is an easy thing to check off your list early.

How long does horseradish sauce keep in the fridge?

Up to one week in an airtight container. After that the horseradish starts to lose its sharpness and the dairy can start to smell off. I usually make a small batch and finish it within 5 or 6 days — it disappears quickly in my house because my husband puts it on everything.

Can I freeze horseradish sauce?

I wouldn't. Sour cream and mayonnaise don't freeze well — they separate and turn grainy when thawed, and there's no fixing that texture once it happens. Since the sauce only takes five minutes to make and keeps for a week in the fridge, freezing really isn't worth it. Just make a fresh batch when you need it.

What can I use instead of sour cream?

Full-fat plain Greek yogurt is the best substitute — it's slightly tangier but the texture and richness are very similar. You can also use crème fraîche if you have it, which gives a richer, milder result. For a dairy-free version, plant-based sour cream works well; I've tried the Violife brand and it held up fine in this sauce.

I've made a lot of condiments from scratch over the years and this horseradish sauce is one of the ones I keep coming back to because it's so low-effort for how much it elevates a meal. There's something about a cold, creamy, sharp sauce next to a slice of roast beef that just feels complete. Store-bought versions are fine, but they're usually over-sweetened or too mild, and this takes five minutes so there's no real reason to reach for the jar.

I make a small batch most weekends when I'm doing a Sunday roast, and it always gets used up within a few days — on sandwiches with the leftovers, alongside potato wedges, sometimes just as a dip while I'm prepping dinner and pulling things out of the fridge. If you're planning something like steak bites or any kind of beef dinner, keep this sauce in mind. It takes almost no effort and it makes everything taste more intentional.

This isn't a complicated recipe and I'm not pretending it is. It's a five-ingredient stir-together sauce that happens to be genuinely good, and that's exactly what I want on a busy week. Make it once and you'll understand why I stopped buying the bottled version entirely. 🥄✨

If you're looking for more recipes to serve alongside or pair with this sauce, here are a few from my site that I think you'd like:

• Steak Bites and Rotini in Garlic Parmesan Sauce — serve this horseradish sauce on the side for dipping
• Cajun Steak Alfredo — spicy, creamy pasta that pairs well with bold condiments
• Roasted Garlic Cheddar Cauliflower Soup — great with a small dish of this sauce on the side
• Blender Salsa — another five-minute condiment worth keeping in your fridge
• Red Velvet Cake Roll — for when the savory dinner is done and you need something to finish with