Name: Steak Crostini with Blue Cheese & Garlic Sauce
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Yield: 24 crostini
Cuisine: American
Ingredients: 8 ounces top sirloin steak; salt & black pepper; 1 tbsp neutral oil; 1 tbsp unsalted butter; 6 sprigs fresh thyme; 1 sprig fresh rosemary; recipe crostini; 4 ounces blue cheese; 2 tablespoons chives; 0.25 cup mayonnaise; 0.25 cup full-fat sour cream; 2 teaspoons garlic; 1 tbsp fresh lemon juice; salt and black pepper

Steak Crostini with Blue Cheese & Garlic Sauce

Steak Crostini with Blue Cheese & Garlic Sauce cover

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Steak Crostini with Blue Cheese & Garlic Sauce

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Ingredients

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Instructions

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Sear the Steak

Bring the steaks to room temperature for 30-60 minutes. Then, pat each side dry with paper towels. Season all sides of the steaks with a generous amount of Kosher salt and freshly-ground black pepper.

Coat the bottom of a cast iron skillet with the neutral oil and heat it over high. Once the oil is shimmering and searing hot, carefully place both steaks in the pan, leaving some room between them. Don't move the steaks around! Let them sear so they have a nice brown crust, about 3 minutes.

Flip the steaks and sear for another 2-3 minutes. During the last minute of cooking, add the butter, thyme, and rosemary. Use a spoon to baste the steaks with the melted herb butter until the steaks reach an internal temperature of 130-135°F (54-57°C).

Set the steaks on a plate and let them rest for 5-10 minutes. Then, thinly slice the steaks into strips.

Make the Garlic Sauce

In a small bowl, combine the mayonnaise, sour cream, garlic, lemon juice, salt, and pepper. Whisk until the sauce is smooth. Add more salt and pepper, to taste. Set aside.

Assemble the Crostini

Place the crostini on a sheet pan. Sprinkle each toast with about 2 teaspoons of blue cheese crumbles. Broil on HIGH for 1-2 minutes, just until the blue cheese is warmed through but not completely melted.

Top each crostini with a slice of steak and a dollop of garlic sauce. Garnish the crostini with fresh chives and black pepper. Enjoy!

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Tips & Tricks (5)

Reverse Sear for Perfect Doneness 🌡️
Cook the sirloin low and slow in a 275°F oven until it reaches 10°F below target temperature, then sear in a screaming hot buttered pan for 60 seconds per side to develop a crust while maintaining a perfect medium-rare center.
Make Compound Butter with Herbs 🧈
Mix softened unsalted butter with minced fresh rosemary and thyme, then finish the warm steak with a pat of this herb butter instead of just oil for a restaurant-quality depth of flavor that elevates the entire dish.
Temper Your Blue Cheese Sauce 🧅
Mince your garlic and let it sit in fresh lemon juice for 5 minutes to mellow its harsh bite before whisking into the sour cream and mayo, creating a balanced sauce that enhances rather than overpowers the steak.
Slice Against the Grain at an Angle ✂️
After resting, cut the sirloin into thin slices at a 45-degree angle against the grain to maximize tenderness and create elegant pieces that showcase beautifully on your crostini.
Toast Crostini in Garlic Oil for Extra Flavor 🍞
Brush bread slices with neutral oil infused with a smashed garlic clove and fresh thyme before toasting to create a more flavorful base that ties all the components together seamlessly.