Delicious Steak Crostini with Zesty Horseradish Sauce Recipe

Last Updated: August 30, 2026By Tags: , , , ,



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Easy Steak Crostini with Horseradish Sauce

Crostini, the delightful Italian starters often served at gatherings and social events, are the perfect canvas for a myriad of toppings. These small, toasted slices of bread provide the ideal base for an array of flavours, and when paired with juicy steak and a zesty horseradish sauce, they become an unforgettable canapé. This easy steak crostini recipe is sure to impress your guests, providing a sophisticated taste sensation that belies its simplicity.

Ingredients

For the Crostini:

  • 1 French baguette (or Italian ciabatta)
  • 4 tablespoons olive oil
  • Salt and pepper, to taste

For the Steak:

  • 250g fillet steak (or sirloin, if preferred)
  • Salt and black pepper
  • 1 tablespoon olive oil, for cooking

For the Horseradish Sauce:

  • 2 tablespoons prepared horseradish (adjust to taste)
  • 100g crème fraîche
  • 1 teaspoon Dijon mustard
  • A squeeze of lemon juice
  • Fresh chives, finely chopped (for garnish)

Instructions

Step 1: Prepare the Crostini

  1. Preheat your oven to 200°C (or 180°C fan).
  2. Slice the baguette into 1cm thick slices. Lay the slices on a baking tray.
  3. Drizzle the olive oil over the bread, ensuring each slice is lightly coated, and sprinkle with salt and pepper.
  4. Bake in the oven for about 10-12 minutes, or until golden and crisp. Once done, remove from the oven and let cool.

Step 2: Cook the Steak

  1. While the crostini are baking, season the fillet steak generously with salt and black pepper.
  2. Heat a tablespoon of olive oil in a frying pan over medium-high heat. Once hot, add the steak.
  3. Cook for about 3-4 minutes on each side for medium-rare, or longer depending on your desired doneness. Once cooked, remove from the pan and allow to rest for a few minutes before slicing thinly.

Step 3: Make the Horseradish Sauce

  1. In a small bowl, combine the prepared horseradish, crème fraîche, Dijon mustard, and a squeeze of lemon juice.
  2. Stir until the mixture is well blended. Adjust the seasonings to taste; you may want to add more horseradish for extra kick.

Step 4: Assemble the Crostini

  1. Place the toasted crostini on a platter.
  2. Top each slice with a piece of sliced steak.
  3. Spoon a dollop of horseradish sauce over the steak.
  4. Garnish with finely chopped chives for a lovely finishing touch.

Serving Suggestions

These steak crostini are best enjoyed fresh, so serve them immediately after assembly. They pair remarkably well with a glass of red wine, such as a robust Merlot or a smooth Malbec, making them an excellent choice for a pre-dinner nibble or a standout dish at parties.

Conclusion

With minimal effort and straightforward ingredients, these Easy Steak Crostini with Horseradish Sauce are bound to make a statement at any gathering. Their combination of tender steak, zesty horseradish, and crunchy crostini offers a delightful explosion of flavours that will leave your guests clamouring for more. Whether you’re hosting a casual get-together or a more formal affair, this recipe is sure to be a hit, proving that sometimes, the simplest dishes are the ones that steal the show. Bon appétit!


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