Steak Crostini with Creamy Horseradish Sauce

🥩🥖 Description

These elegant steak crostini feature tender, pan-seared beef slices served on crispy toasted baguette and finished with a rich, tangy horseradish cream sauce. Garnished with fresh herbs, they are perfect as an appetizer, party bite, or upscale snack.

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⏱️ Time Required

• Preparation time: 15 minutes

• Cooking time: 12–15 minutes

• Total time: About 30 minutes

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🧾 Ingredients (Serves 4–6 as an appetizer)

For the Steak

• 400 g beef steak (sirloin, ribeye, or tenderloin)

• 1 tablespoon olive oil

• Salt, to taste

• Freshly ground black pepper, to taste

• 1/2 teaspoon garlic powder (optional)

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For the Crostini

• 1 baguette, sliced into 1.5 cm thick pieces

• 2 tablespoons olive oil

• 1 clove garlic, peeled (optional, for rubbing)

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For the Creamy Horseradish Sauce

• 1/2 cup sour cream or Greek yogurt

• 1–2 tablespoons prepared horseradish (adjust to taste)

• 1 teaspoon Dijon mustard

• 1 teaspoon lemon juice

• Salt and black pepper, to taste

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Garnish

• Fresh parsley or chives, finely chopped

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👨‍🍳 Instructions

Step 1: Prepare the Crostini

Preheat the oven to 190°C / 375°F.
Arrange baguette slices on a baking tray and brush lightly with olive oil.
Toast for 8–10 minutes, flipping once, until golden and crisp.
Optional: Rub warm toast lightly with a garlic clove for extra flavor. Set aside.

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Step 2: Cook the Steak

Pat the steak dry and season generously with salt, black pepper, and garlic powder.
Heat olive oil in a skillet over medium-high heat.
Sear the steak for 3–4 minutes per side for medium-rare (adjust for preference).
Remove from heat and rest for 5 minutes.
Slice into thick pieces.

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Step 3: Make the Sauce

In a small bowl, mix sour cream, horseradish, Dijon mustard, lemon juice, salt, and pepper until smooth.
Taste and adjust seasoning.

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Step 4: Assemble the Crostini

Place steak slices on top of each crostini.
Spoon a small amount of horseradish sauce over the steak.
Sprinkle with chopped fresh herbs.

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Step 5: Serve

Arrange on a serving platter.
Serve immediately while warm and crisp.

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🍽️ Serving Suggestions

• Pair with white wine, red wine, or sparkling water

• Add caramelized onions or mushrooms for variation

• Ideal for parties, holidays, or cocktail gatherings

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🥗 Nutrition Highlights (Approximate per serving)

• High in protein

• Rich, satisfying appetizer

• Balanced with crunchy bread and creamy sauce