Steak Crostini with Horseradish Cream Recipe
If you’re looking for an appetizer that wows every guest, Steak Crostini with Horseradish Cream fits the bill. This recipe brings together crisp crostini, succulent steak, and a lusciously tangy horseradish cream into irresistible party bites. The savory flavors, creamy topping, and peppery finish come together with a beautiful balance that makes each bite unforgettable. Whether it’s the star of your next celebration or an indulgent weekend treat, Steak Crostini with Horseradish Cream instantly elevates any gathering with its brilliant colors and perfectly layered taste.

Ingredients You’ll Need
Every ingredient in Steak Crostini with Horseradish Cream plays a crucial role. With just a handful of pantry staples and a few fresh items, you’ll achieve incredible flavor and an eye-catching presentation. Trust me, simplicity here equals elegance on the plate!
- Baguette: The base—crisp, golden slices offer the perfect crunch and canvas for every topping.
- Olive oil: Brushed on the bread for luxurious richness and gorgeous toasty color.
- Flank steak or sirloin: Sliced thin, this protein star brings juicy, beefy notes and a satisfying bite.
- Salt and pepper: Just a sprinkle wakes up and intensifies every flavor in the dish.
- Butter: Melts in the pan with the steak for a lovely, caramelized crust and extra depth.
- Sour cream: The creamy base for the tangy, punchy horseradish cream—also works with crème fraîche or Greek yogurt.
- Prepared horseradish: Delivers that addictively zesty kick without overwhelming heat.
- Dijon mustard: Brightens the cream with subtle warmth and complexity.
- Lemon juice: A splash lifts the flavors, adding a gentle tart note.
- Chopped fresh chives: Brings color, freshness, and a mild oniony bite that ties everything together.
- Arugula or baby greens (optional): For a crisp, peppery pop and beautiful green accent.
How to Make Steak Crostini with Horseradish Cream
Step 1: Toast the Crostini
Start by preheating your oven to 400°F (200°C). Arrange your baguette slices on a baking sheet, then brush them with olive oil to encourage crisp, golden exteriors. Pop them in the oven for about 6 to 8 minutes, just until they’re irresistibly golden and crunchy. This gives each bite a sturdy yet delicate base for all the flavor you’re about to stack on top.
Step 2: Sear the Steak
Generously season your flank steak or sirloin with salt and pepper on all sides. Heat a skillet over medium-high, melt the butter, and lay the steak down—listen for that satisfying sizzle! Sear it for 3 to 4 minutes per side for a perfect medium-rare. Then, give your steak a little rest on a cutting board for 10 minutes to keep all those delicious juices locked in.
Step 3: Mix the Horseradish Cream
While the steak rests, quickly whip together a creamy, punchy sauce. In a small bowl, combine sour cream, horseradish, Dijon mustard, lemon juice, and the chopped chives. Stir until smooth—this luscious horseradish cream brings the whole crostini to life and balances the richness of the beef beautifully.
Step 4: Slice the Steak
Once your steak is perfectly rested, grab a sharp knife and slice it thinly across the grain. Thin slices are the secret to melt-in-your-mouth texture that’s easy to nestle on your crostini without overpowering the other flavors.
Step 5: Assemble the Steak Crostini with Horseradish Cream
Now for the fun part: assembling these stunning bites! Spread a generous dollop of horseradish cream atop each crostini, add a slice of steak, and, if you like, finish with a flourish of extra chives and tender arugula. Serve immediately while everything is at its very best—fresh, crisp, and full of flavor. Your Steak Crostini with Horseradish Cream is ready to steal the show!
How to Serve Steak Crostini with Horseradish Cream

Garnishes
An extra sprinkle of fresh chives and a handful of arugula do wonders for the final look and flavor. These touches add bright green color, a fresh grassy accent, and just enough bite to contrast the rich steak and creamy topping.
Side Dishes
Pair your Steak Crostini with Horseradish Cream with vibrant sides that keep the meal light and exciting. Think crisp salads, marinated olives, or a roasted veggie platter. These make sure your appetizer shines but the meal still feels balanced and refreshing.
Creative Ways to Present
Get playful! Arrange your crostini on a rustic board for an upscale, approachable feel, or line them up on a sleek platter for something more modern. For an extra special touch, try serving them on individual plates with a petite salad, or set up a DIY crostini bar and let your guests assemble their own masterpieces. Steak Crostini with Horseradish Cream looks fantastic however you serve it!
Make Ahead and Storage
Storing Leftovers
If you somehow have leftovers, store the steak, crostini, and horseradish cream separately in airtight containers. This keeps every element fresh and prevents sogginess, so you can easily reassemble later for round two.
Freezing
Freezing isn’t ideal for fully assembled Steak Crostini with Horseradish Cream, but you can freeze sliced steak for up to two months. Just thaw gently in the refrigerator and let come to room temperature before using—avoid freezing the horseradish cream, as it may separate.
Reheating
To revive crostini, pop them back into a warm oven for a few minutes to regain their crisp texture. For steak, briefly warm in a skillet or microwave at low power to keep it juicy. As always, assemble just before serving for the freshest results.
FAQs
Can I use a different type Appetizer
Absolutely! While flank steak and sirloin are both excellent, you can use ribeye, filet mignon, or even leftover roast beef. Just aim for something that slices thinly and stays tender so your Steak Crostini with Horseradish Cream has that signature melt-in-your-mouth quality.
Is there a substitute for horseradish if I can’t find it?
If horseradish is unavailable, try wasabi paste in small amounts or simply add a little extra Dijon mustard for a zesty lift. The flavors won’t be exactly the same, but you’ll keep that lovely, spicy-peppery character of the horseradish cream.
Can I make Steak Crostini with Horseradish Cream gluten-free?
Yes, just swap the regular baguette for your favorite gluten-free loaf. The toppings are naturally gluten-free, so you can indulge worry-free with this tasty, crowd-pleasing appetizer.
How far ahead can I make the horseradish cream?
You can prepare the horseradish cream up to a day in advance. Store it in the fridge—it may even taste better as the flavors have time to mingle and deepen!
What wine pairs best with Steak Crostini with Horseradish Cream?
A bold red like Cabernet Sauvignon or a bright Pinot Noir works beautifully with the rich steak and tangy horseradish cream. If you prefer bubbles, a dry sparkling wine is a festive and palate-cleansing choice for this appetizer.
Final Thoughts
With its juicy steak, flavorful horseradish cream, and crisp crostini, Steak Crostini with Horseradish Cream is a recipe you’ll reach for again and again. It’s the perfect way to bring people together—whether you’re hosting a holiday party or just want something special for date night. Give it a try and watch these lush little bites disappear before your eyes!
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Steak Crostini with Horseradish Cream Recipe
- Total Time: 30 minutes
- Yield: 20 crostini 1x
- Diet: Vegetarian
Description
Indulge in the savory delight of Steak Crostini with Horseradish Cream, a perfect appetizer for any occasion. Slices of perfectly seared steak atop crispy baguette slices spread with a zesty horseradish cream will tantalize your taste buds.
Ingredients
For the Crostini:
- 1 baguette (sliced into 1/2-inch pieces)
- 2 tablespoons olive oil
For the Steak:
- 1 pound flank steak or sirloin (room temperature)
- Salt and pepper to taste
- 1 tablespoon butter
For the Horseradish Cream:
- 1/2 cup sour cream
- 2 tablespoons prepared horseradish
- 1 teaspoon Dijon mustard
- 1 teaspoon lemon juice
- 1 tablespoon chopped fresh chives (plus more for garnish)
- Arugula or baby greens (optional)
Instructions
- Preheat the Oven: Preheat oven to 400°F (200°C). Arrange baguette slices on a baking sheet, brush with olive oil, and toast for 6–8 minutes until golden and crisp.
- Prepare the Steak: Season the steak with salt and pepper. Sear in a skillet over medium-high heat with butter for 3–4 minutes per side for medium-rare. Let it rest for 10 minutes before slicing thinly.
- Make the Horseradish Cream: Mix sour cream, horseradish, Dijon mustard, lemon juice, and chives in a bowl until well combined.
- Assemble: Spread horseradish cream on each crostini, top with a slice of steak, and garnish with chives and arugula if desired. Serve immediately.
Notes
- You can make the horseradish cream a day ahead and store it in the fridge.
- Swap sour cream for crème fraîche or Greek yogurt if preferred.
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Category: Appetizer
- Method: Stovetop, Baking
- Cuisine: American
Nutrition
- Serving Size: 1 crostini
- Calories: 120
- Sugar: 1g
- Sodium: 160mg
- Fat: 7g
- Saturated Fat: 3g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 0g
- Protein: 7g
- Cholesterol: 20mg