Steak Crostini with Horseradish Sauce and Caramelized Onions
Steak Crostini with Horseradish Sauce & Caramelized Onions featuring toasted baguette slices topped with tender steak, creamy sauce, and sweet onions.
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Total Time: 45 minutes
- Yield: 6 to 8 appetizer servings 1x
Ingredients
1 pound sirloin or ribeye steak
1 baguette sliced
2 tablespoons olive oil
2 tablespoons butter
2 large yellow onions thinly sliced
1/2 cup sour cream or Greek yogurt
1 to 2 tablespoons prepared horseradish
1 teaspoon lemon juice
Salt and black pepper to taste
Fresh parsley or chives for garnish
Instructions
-
Caramelize onions in butter and olive oil over medium-low heat for 20 to 25 minutes.
-
Toast baguette slices at 400°F for 8 to 10 minutes.
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Season and sear steak 3 to 4 minutes per side.
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Rest steak and slice thinly against the grain.
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Mix sour cream, horseradish, lemon juice, salt, and pepper.
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Spread sauce on crostini, top with steak and onions.
-
Garnish and serve.
Notes
Assemble just before serving to maintain crisp texture.