Filet Mignon Steak Crostini with Horseradish Cream
Jul 18, 2025 10:39 AM
Steak crostini is the perfect holiday or special occasion appetizer! This crostini is topped with tender filet mignon, frizzled leeks, roasted tomatoes, fresh rosemary, and a dreamy horseradish cream.
The holidays are about family, festivities, delicious food, and a little — or more than a little — indulgence.
This steak crostini appetizer is our idea of indulgence.
It’s the perfect holiday appetizer: rich, refined, full of flavor, and festively red and green, to boot.
What makes this steak crostini so special? A few things.
First, we make the crostini from scratch, of course, which is so simple. Second, we use not just any meat for this beef crostini but tender, juicy filet mignon. Third, we take a few extra steps to ensure thoughtful (and festive) toppings that add plenty of flavor to this two-bite appetizer — such as oven-roasted tomatoes, fresh rosemary, and frizzled leeks.
But the real star of this show is the decadent horseradish cream. Even if you don’t want to make this steak crostini, save the horseradish cream recipe. It’s creamy, smooth, and full of flavor.
Ingredients:
For the Horseradish Cream
- 4 ounces cream cheese, room temperature
- 2 tablespoons mayonnaise
- 2 tablespoons sour cream
- 2 tablespoons Bubbies prepared horseradish
- 1 teaspoon fresh lemon juice
- 1 garlic clove, minced
- 1 teaspoon chopped fresh chives
- Salt and pepper, to taste
For the Roasted Tomatoes
- 1 pint cherry tomatoes on vine
- 1 sprig fresh rosemary
- 1 tablespoon extra virgin olive oil
- Salt and pepper
For the Crostini, Steak, and Frizzled Leeks
- 1 baguette, sliced 1/4″ thick
- 2 tablespoons olive oil
- 1 garlic clove
- 2 (6-ounce) filet mignon steaks, cooked to medium-rare and thinly sliced
- 1 leek, light green and white parts only, sliced into thin ribbons
- Oil, for frying
- Chopped fresh rosemary, for garnish
- Salt and pepper, to taste
Prep Time:
25 minutes
Cook Time:
45 minutes
Total Time:
70 minutes
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