Crispy crostini topped with tender steak, sweet caramelized onions, and a bold horseradish cream—perfect for elegant appetizers or festive gatherings.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30minutes
- Yield: 4–6 servings 1x
Ingredients
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1 baguette, sliced
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1 lb steak (ribeye, sirloin, or filet)
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2 large yellow onions, thinly sliced
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2 tbsp butter or olive oil
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Salt and pepper to taste
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Optional: splash of balsamic vinegar
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1/2 cup sour cream
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1–2 tbsp prepared horseradish
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1 tsp Dijon mustard
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1 tsp lemon juice
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Optional: parsley, thyme, balsamic glaze, shaved Parmesan
Instructions
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Caramelize onions over low heat for 30–40 mins. Set aside.
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Mix horseradish sauce and chill.
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Toast baguette slices at 375°F for 8–10 mins with olive oil.
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Sear steak in a hot skillet, 2–3 mins per side. Rest and slice thinly.
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Assemble crostini: spread sauce, add onions, top with steak and garnish.
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Serve immediately.