STEAK CROSTINI WITH A CREAMY HORSERADISH SAUCE & CARAMELIZED ONIONS
STEAK CROSTINI WITH A CREAMY HORSERADISH SAUCE & CARAMELIZED ONIONS is a medium American recipe that serves 8. 250 calories per serving. Recipe by Taylor Jackzen on YouTube.
Prep: 15 min | Cook: 35 min | Total: 1 hr
Cost: $13.27 total, $1.66 per serving
Ingredients
- 1 lb Sirloin Steak (trimmed and cut into 1/2‑inch strips)
- 0.5 loaf Baguette (sliced 1/2 inch thick)
- 2 large Yellow Onion (thinly sliced)
- 2 tbsp Unsalted Butter (cut into cubes)
- 2 tbsp Olive Oil (extra‑virgin preferred)
- 0.25 cup Heavy Cream (for a richer sauce)
- 0.5 cup Sour Cream (full‑fat for best flavor)
- 2 tbsp Prepared Horseradish (adjust to heat preference)
- 1 tsp Dijon Mustard
- 1 tsp Lemon Juice (freshly squeezed)
- to taste Salt
- to taste Black Pepper
- 1 tbsp Fresh Chives (chopped, for garnish)
Instructions
Make Horseradish Cream Sauce
In a mixing bowl combine sour cream, prepared horseradish, Dijon mustard, lemon juice, heavy cream, a pinch of salt and pepper. Whisk until smooth and creamy.
Time: PT5M
Caramelize Onions
Heat butter and 1 tbsp olive oil in a large skillet over medium heat. Add the sliced onions and a pinch of salt. Cook, stirring occasionally, for about 20 minutes until deep golden and sweet.
Time: PT20M
Sear Steak Strips
Season the steak strips with salt and pepper. In the same skillet (or a separate one) add the remaining 1 tbsp olive oil and increase heat to high. Sear the steak strips 2–3 minutes per side for medium‑rare, then remove and let rest for 5 minutes before slicing if needed.
Time: PT8M
Toast Baguette Slices
Preheat the oven to 375°F (190°C). Arrange baguette slices on a baking sheet, brush lightly with olive oil, and bake for 5–7 minutes until crisp and lightly golden.
Time: PT7M
Temperature: 375°F
Assemble Crostini
Top each toasted baguette slice with a spoonful of caramelized onions, a piece of steak strip, and a drizzle of horseradish cream. Garnish with chopped chives and serve immediately.
Time: PT5M
Nutrition Facts
- Calories
- 250
- Protein
- 12g
- Carbohydrates
- 20g
- Fat
- 12g
- Fiber
- 1g
Dietary info: Contains gluten, Contains dairy, Not vegan, Not vegetarian
Allergens: Dairy, Gluten, Mustard
Last updated: April 15, 2026








