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November 29, 2025Truffle Steak Frites with Bison Filet Mignon
Serves
8 Servings
Prep time
30 Minutes
Cook time
2 Hour
Method
Smoked & Stovetop
Classic French bistro vibes, elevated. This Truffle Steak Frites with Bison Filet Mignon recipe pairs rich, herb-basted bison filet mignon with crispy shoestring fries tossed in truffle oil and parmesan — plus a dreamy truffle aioli for dipping. It’s indulgent, refined, and easier to pull off than you'd think. Perfect for date night, dinner with friends, or when you just want to treat yourself to something unforgettable at home.
Recipe and photography by Essence Eats.
Ingredients
For the Steak:
- 2 Honest Bison Bison Filet Mignon steaks
- Salt & pepper, to taste
- 4 tbsp butter
- 2 sprigs fresh rosemary
- 4 cloves garlic
For the Truffle Shoestring Fries:
- 6-8 large russet potatoes
- ½ cup parmesan cheese (finely grated)
- 2 tbsp black truffle oil
- 4 cups vegetable oil or canola oil, for frying
For the Truffle Aioli:
- ½ cup mayonnaise
- ½ cup sour cream
- 2 tbsp black truffle oil
- 1 tbsp garlic (minced)
- 1 tbsp lemon juice
- 1 tsp sea salt
- ½ tsp ground black pepper
Directions
Step 1
Slice the potatoes into shoestrings using a mandoline or sharp knife.
Step 2
Soak the potatoes in a large bowl of water for 30 minutes.
Step 3
Completely dry the potatoes on paper towels until the moisture is completely gone. To ensure all of the moisture is removed, let the shoestring potatoes air dry on the paper towel for 30 minutes.
Step 4
While the potatoes are drying, make the truffle aioli. In a small bowl, whisk the mayo, sour cream, truffle oil, garlic, lemon juice, salt, and pepper.
Step 5
Prepare the steaks. Season the steaks with salt and pepper. Place a cast iron on the stovetop over medium high heat. Add the butter, rosemary, and garlic cloves. Once it starts to smoke, add your filets.
Step 6
Cook the steaks for 3-5 minutes on each side depending on the desired cook of the steaks. For medium, cook for 5 minutes on each side. For medium rare, cook 3-4 minutes on each side. For rare, cook for 2-3 minutes on each side. A medium steak is 145, a medium rare steak is 135, and a rare steak is 125. Take the steak off of the heat 10 degrees before it reaches the desired temperature since the last 10 degrees will be gained while it rests.
Step 7
While the steaks are cooking in the pan, baste with the butter, herbs, and garlic. This can be done by carefully tipping the hot pan so the butter mixture pools to one side and then scooping it with a spoon and pouring on top of the steak. Continue to do this until a caramelization begins to form and flip the steaks and do it on the other side as well.
Step 8
Fry the french fries. Fill a large pot with the oil. Heat over medium heat until it gets to 350 degrees.
Step 9
Fry the potatoes in batches for 5 minutes. Be sure not to overcrowd the pot or the potatoes won’t crisp up.
Step 10
Using a slotted spoon or tongs, remove the fries from the pot and lay on a plate line with paper towels. Season with salt and pepper while still hot.
Step 11
Once cooled down a bit, toss in the truffle oil and parmesan cheese.
Step 12
Serve the steak sliced alongside truffle shoestring fries and a side of truffle aioli.
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Leftover steak can be stored in the fridge for 3-4 days in an airtight container. Leftover aioli can be stored for up to 5 days. Store leftover fries in a large bag with a paper towel to absorb extra moisture in the fridge for up to 2 days.
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Reheat leftover steak in the microwave in 30 second increments until just heated through. Or you can reheat steak in a pan over medium heat with 1 tablespoon of avocado oil, for 30 seconds to a minute on each side until heated through. Fries can be reheated in the microwave, oven, or airfryer. For the microwave heat for 1 minute, for the airfryer heat for 5 minutes on 400F, and for the oven heat for 7 minutes on 380F.
Frequently Asked Questions
Featured Products
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Bison Filet Mignon
Price range: $22.00 through $45.00Cut from the most tender part of the tenderloin, our 100% grass-fed Bison Filet Mignon Steak is a bestseller for a reason. With a melt-in-your-mouth tenderness and a rich, subtly sweet flavor, this premium steak delivers unparalleled taste and an exceptional dining experience no matter how you prepare it.
Recipe Suggestion: Bison Filet Mignon Oscar
