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The Ultimate Easy Steak Crostini with Creamy Horseradish Sauce and Balsamic Drizzle

Close-up of perfectly cooked steak crostini topped with creamy cheese and chives, drizzled with balsamic glaze.
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Make impressive party bites with this easy steak crostini recipe. Tender steak sits on crisp baguette slices, topped with a zesty horseradish cream and finished with a sweet balsamic glaze for gourmet small plates.

Ingredients

Scale
  • 1 pound New York Strip steak or Filet Mignon, about 1 inch thick
  • 1 tablespoon olive oil
  • 1 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1 French baguette, sliced on a slight diagonal into 1/2-inch thick pieces
  • 1 tablespoon butter, melted
  • 1/2 cup prepared creamy horseradish sauce
  • 1/4 cup balsamic glaze
  • 2 tablespoons fresh chives, finely chopped (for garnish)

Instructions

  1. Prepare the steak: Rub the steak with olive oil, salt, and pepper. Let it sit at room temperature for 20 minutes.
  2. Cook the steak: Heat a cast-iron skillet over medium-high heat until very hot. Sear the steak for 3–4 minutes per side for medium-rare, or until it reaches your desired doneness. Remove the steak from the skillet and let it rest on a cutting board for 10 minutes before slicing thinly against the grain.
  3. Prepare the crostini: While the steak rests, preheat your oven to 375°F (190°C). Brush both sides of the baguette slices lightly with melted butter. Arrange them on a baking sheet.
  4. Toast the bread: Bake the baguette slices for 6–8 minutes, flipping halfway through, until they are lightly golden brown and crisp. Remove from the oven.
  5. Assemble the appetizers: Spread about 1 teaspoon of the creamy horseradish sauce onto each toasted crostini slice.
  6. Top with steak: Place 1–2 thin slices of the rested steak on top of the horseradish sauce on each crostini.
  7. Finish and serve: Drizzle a small amount of balsamic glaze over the steak on each piece. Garnish with chopped fresh chives. Serve immediately as an impressive appetizer for entertaining.

Notes

  • For a richer flavor, you can caramelize onions separately and add a thin layer over the horseradish sauce before adding the steak.
  • If you do not have balsamic glaze, you can reduce balsamic vinegar in a small saucepan over medium heat until it coats the back of a spoon.
  • This recipe works well for cocktail party snacks or as a quick steak appetizer.

Nutrition

Find it online: https://hearthbite.com/steak-crostini-easy-appetizer-recipe/