There is nothing quite like a perfectly cooked steak paired with crispy, golden fries and the luxurious kick of truffle aioli to elevate every bite. The Steak Frites with Truffle Aioli Recipe is a beloved classic that manages to feel both indulgent and approachable. From the crisp frizzle leeks to the tender, medium-rare ribeye, this dish is your ticket to a French bistro experience right at home. It’s simple yet impressive, with every ingredient playing a vital role in making this meal unforgettable.

Ingredients You’ll Need

A large raw steak with marbled red and white fat is placed on an oval silver metal plate. The plate sits on a white marbled surface. Nearby, there are two small white bowls, one filled with coarse salt and the other with cracked black pepper. In the bottom part of the image, a beige cloth with black stripes and frayed edges lays on the surface. The photo is taken with an iphone --ar 4:5 --v 7

Getting the ingredients right is crucial because they are the heart and soul of the dish. These simple yet essential components each bring their own flavor, texture, and color to the plate, marrying beautifully together.

  • 2 boneless ribeye steaks (1 1/2-inch thick): Rich and marbled for juicy, tender bites every time.
  • Kosher salt: The perfect seasoning to bring out the natural flavors of the steak and fries.
  • Freshly ground black pepper: Adds a sharp, aromatic heat that complements the beef.
  • 1 pound russet potatoes: Ideal for fries due to their fluffy interior and crispy exterior when fried.
  • 1 leek (white and light green parts): Adds a sweet, oniony crunch when fried into frizzle leeks.
  • Canola oil: The go-to frying oil for its high smoke point and neutral flavor.

How to Make Steak Frites with Truffle Aioli Recipe

Step 1: Oven-Roast the Ribeye Steaks

Start by seasoning your ribeye steaks generously with kosher salt and freshly ground black pepper. Placing them on a baking sheet with a rack lets the heat circulate evenly around the meat. Roast the steaks in a low oven at 250°F until your instant-read thermometer hits 125°F, which usually takes 45 to 55 minutes for a perfect medium rare. This slow roasting method gently cooks the steaks, ensuring they stay juicy and tender throughout. Don’t forget to let them rest for 5 minutes after removing from the oven; this helps the juices redistribute for richer flavor.

Step 2: Sear for That Signature Crust

While the steaks are resting, heat a cast iron skillet over medium-high heat until it starts to smoke. This intense heat is crucial to developing a deep golden-brown crust that locks in the steak’s juices. Sear each side of the steak for about 45 seconds – just enough to build that beautiful caramelized exterior. Once seared, give the steaks another 10 minutes to rest so the flavors really settle.

Step 3: Prepare the Fries and Frizzle Leeks

Use a mandoline slicer to slice your russet potatoes into fries—a uniform thickness helps ensure they cook evenly. Next, julienne the leek lengthwise to create delicate strips for frizzling. These thin cuts will transform into crispy, flavorful garnish once fried.

Step 4: Fry the Fries to Golden Perfection

Fill a large dutch oven with canola oil to about an inch above the bottom and heat it over high heat until boiling. Carefully add the fries in, cooking without stirring for about 15 minutes. This initial cook softens them inside. Then gently stir to loosen any fries stuck to the bottom and continue frying for another 5 to 10 minutes until they turn irresistibly crispy and golden. Don’t forget to immediately transfer them to a paper towel-lined baking sheet and season well with kosher salt while they’re still hot for maximum flavor.

Step 5: Fry the Leeks Until Crispy

Drop the sliced leeks into the hot oil for about 2 to 3 minutes until they’re a beautiful golden crisp. These little frizzle leeks bring a delightful crunch and a mild savory sweetness to the dish. Remove them with a slotted spoon, transfer onto the paper towel-lined sheet alongside the fries, and season with salt immediately to enhance their flavor.

How to Serve Steak Frites with Truffle Aioli Recipe

A metal tray lined with white paper towels holds two different piles of fried items. The top half shows a small mound of thin, long French fries, golden brown with some parts slightly darker. Below it, there is a loosely shaped pile of golden-yellow fried thin strands that look crisp and delicate. The tray is on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Adding frizzle leeks on top of your fries brings a charming texture play with their crunch and sweet, caramelized flavor. A sprinkle of fresh herbs like parsley or chives can add a splash of color and fresh brightness that contrasts beautifully with the rich steak and creamy aioli.

Side Dishes

While the fries serve as the classic and star side, a fresh green salad with a light mustard vinaigrette balances the richness of the plate nicely. Alternatively, roasted seasonal vegetables or a simple bowl of marinated olives would complement the dish without overpowering the flavors.

Creative Ways to Present

Serve the steaks sliced on a large wooden board, surrounded by perfectly heaped fries, and small bowls of truffle aioli for dipping. This communal style feels inviting and encourages everyone to dive in and savor the flavors together. You can also drizzle a little truffle oil over the fries for an extra hit of fragrance that pairs perfectly with your aioli.

Make Ahead and Storage

Storing Leftovers

Once cooled to room temperature, store leftover steak and fries separately in airtight containers. The fries are best when eaten within 1 day to retain some crispness, while steak can last up to 3 days refrigerated without losing too much moisture.

Freezing

We don’t recommend freezing the fries as they tend to become soggy after thawing, but the cooked steak can be frozen for up to 2 months. Wrap it tightly in foil and place it in a freezer-safe bag to keep it fresh.

Reheating

To reheat steak, gently warm it in a low oven around 275°F until heated through, which preserves tenderness better than a microwave. For fries, reheat in a hot oven or air fryer to restore some crispness rather than microwaving, which can make them chewy.

FAQs

Can I use other cuts of steak for this Steak Frites with Truffle Aioli Recipe?

Absolutely! While ribeye is ideal for its marbling and flavor, sirloin, strip steak, or filet mignon can also work well. Just adjust cooking times accordingly to your preferred doneness.

Is there a substitute for canola oil when frying?

You can use other neutral oils with high smoke points, such as peanut oil or sunflower oil. Avoid olive oil for frying at high temperatures as it has a lower smoke point and distinct flavor.

How do I make truffle aioli at home?

Truffle aioli is typically a simple blend of mayonnaise, garlic, lemon juice, and truffle oil. You can either buy it pre-made or whisk it together yourself for a fresh, aromatic dip.

Can I bake the fries instead of frying them?

Yes, baking is a healthier alternative though the texture differs. Toss fries with oil and spread them in a single layer on a baking sheet, then bake at a high temperature (around 425°F) flipping halfway through for crispy results.

What temperature should I cook steak for medium rare?

For medium rare, aim for an internal temperature of 125°F when removing from the oven before searing. After resting and the quick sear, the steak will reach around 130-135°F, which is the perfect medium rare range.

Final Thoughts

If you’re looking to impress yourself or guests with a dish that feels luxurious yet totally doable, give this Steak Frites with Truffle Aioli Recipe a try. It’s packed with delicious contrasts—juicy steak, crispy fries, and that unforgettable truffle aioli—that celebrate simple ingredients at their best. Trust me, it’s a dish you’ll want to make again and again!

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Steak Frites with Truffle Aioli Recipe

Steak Frites with Truffle Aioli Recipe


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4.1 from 12 reviews

  • Author: Sara
  • Total Time: 1 hour 10 minutes
  • Yield: 2 servings

Description

Steak Frites with Truffle Aioli is a classic French-inspired dish featuring perfectly roasted and seared boneless ribeye steaks served alongside crispy homemade russet potato fries and golden frizzled leeks. The fries and leeks are deep-fried to perfection and seasoned with kosher salt, while the dish is beautifully complemented by creamy, aromatic truffle aioli for dipping. This recipe offers an indulgent yet approachable gourmet meal that combines rich, savory flavors with satisfying textures.


Ingredients

Steak

  • 2 (1 1/2-inch thick) boneless ribeye steaks
  • Kosher salt, to season
  • Freshly ground black pepper, to season

Fries and Frizzled Leeks

  • 1 pound russet potatoes, scrubbed
  • 1 leek, white and light green part only
  • Canola oil, for frying (enough to cover fries by about an inch in a large dutch oven)
  • Kosher salt, to season

Truffle Aioli (optional but recommended)

  • Truffle aioli, for serving


Instructions

  1. Roast the Steaks: Preheat your oven to 250°F. Generously season both sides of the ribeye steaks with kosher salt and freshly ground black pepper. Place the steaks on a baking sheet fitted with a rack to allow air circulation and roast in the oven until an instant-read thermometer inserted into the thickest part registers 125°F for medium-rare, which should take about 45 to 55 minutes. Remove and let rest for 5 minutes.
  2. Sear the Steaks: While the steaks rest, heat a cast iron skillet over medium-high heat until it is smoking hot. Sear the steaks for approximately 45 seconds per side until a deep golden crust forms. After searing, transfer the steaks to a plate and let them rest for 10 minutes to allow the juices to redistribute.
  3. Prepare the Potatoes and Leeks: Using a mandoline slicer or a sharp knife, cut the scrubbed russet potatoes into fry shapes. Julienne (cut into thin strips) the white and light green parts of the leek lengthwise.
  4. Cook the Fries: In a large 4 to 5-quart dutch oven, add enough canola oil to cover the fries by about an inch. Heat the oil over high heat until it reaches a boil. Carefully add the fries, cooking without stirring for about 15 minutes. Use a slotted spoon to gently stir and release any fries stuck to the bottom, then continue frying until fries are crispy and golden, about 5 to 10 minutes more. Remove fries with a slotted spoon and place them on a paper towel-lined baking sheet. Immediately season well with kosher salt.
  5. Frizzle the Leeks: Carefully add the sliced leeks to the hot oil and fry for 2 to 3 minutes until golden and crispy. Remove with a slotted spoon and transfer to the same lined baking sheet as the fries, seasoning immediately with kosher salt.
  6. Serve: Plate each rested steak with a serving of fries and top with the crispy frizzled leeks. Serve with plenty of truffle aioli on the side for dipping. Enjoy your gourmet steak frites!

Notes

  • Ensure the oil is hot enough before frying to achieve crispy fries and frizzled leeks; overheating oil can cause burning.
  • Resting the steak after roasting and searing is essential to keep the meat juicy.
  • Using a cast iron skillet for searing helps develop a better crust on the steak.
  • Mandoline slicer allows uniform fries for even cooking; if unavailable, cut fries into uniform sticks by hand.
  • Truffle aioli adds a luxurious touch but can be substituted with garlic aioli or mayonnaise if preferred.
  • Be cautious when adding ingredients to hot oil to avoid splattering injuries.
  • Prep Time: 20 minutes
  • Cook Time: 50 minutes
  • Category: Main Course
  • Method: Oven Roasting and Frying
  • Cuisine: French

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