If truffle fries are the first thing you look for on the menu whenever you’re out, this is the homemade version you’ve been waiting for, and it isn’t complicated. Golden potatoes get soaked, fried twice, and tossed while they are still piping hot with truffle oil, freshly grated Parmigiano-Reggiano, parsley, and chives. Those aren’t fancy ingredients on their own, but together they take a humble potato to the next level. The outside is deeply golden and shatter-crisp, the center is soft and buttery, and every bite smells earthy from the truffle and finishes salty and nutty from the cheese. These are my go-to when we’re having burgers or steak, and I want dinner to feel a little more fancy.
What the Double Fry Does That One Fry Can’t
When I was little, I wanted to own a restaurant that served nothing but potato dishes. These fries would absolutely have been on the menu. I ‘ve never met a French fry I didn’t like, but it takes a lot to really wow me. These did. My family kept saying they tasted better than any restaurant version, and that is the whole goal of this recipe.
Most truffle fry recipes you’ll find are baked or air-fried. Those are fine, but they never get the same crunch as a fry from a restaurant kitchen. That crunch comes from frying twice, and it is the step most homemade fry recipes skip.
Here is why it works. The first fry happens at a lower temperature, around 300°F. It cooks the potatoes all the way through while they stay pale and soft. Then they rest for a few minutes so the steam can escape. The second fry happens at a hotter 375°F, and it is short. That quick blast of heat builds the deep golden color and the crisp shell. You’ll know it worked when the fries look glossy and golden and make a light, hollow sound when they tap against each other.
I also use golden potatoes instead of the usual russets, the same choice that makes these Crinkle Cut Fries so crisp. They have a slightly richer, more buttery flavor that pairs so well with the Parmesan and truffle. Start cutting the potatoes about an hour before you want to eat. Once they’ve soaked, the frying and seasoning come together in about 20 minutes, and the batch makes 6 servings, which is plenty for a family burger night.
When Does the Truffle Oil Go On?
This is the question that makes or breaks truffle fries. In testing, I found that the timing of the truffle oil makes a huge difference in how much you can actually taste it.
Truffle oil has a delicate aroma, and high heat dulls it fast. If you add it before or during frying, most of that earthy flavor cooks off. So the truffle oil goes on at the very end, right after the fries come out of the oil. Toss them in a big bowl with the salt and truffle oil while they are still piping hot. You’ll smell the truffle bloom the second it hits the fries.
Truffle oils also vary a lot in strength from brand to brand. Start with the 1 tablespoon in the recipe, taste a fry, and add a few more drops if you want a stronger truffle flavor. It is easy to add more and impossible to take it back out.
Tips for the Crispiest Truffle Fries
- Soak first, then dry like you mean it. Soaking the cut potatoes in very cold water pulls excess starch off the surface, and that starch is what makes homemade fries limp and greasy. Drying matters just as much. Any water left on the potatoes makes the oil splatter and steams the fries instead of crisping them, so pat them until they feel completely dry to the touch.
- Use a thermometer and fry in small batches. Both fries depend on the oil being the right temperature, and it is hard to guess by eye. I like to keep a thermometer clipped to the pot so I can watch it the whole time. Overcrowding the pot drops the oil temperature fast, which gives you greasy fries instead of crisp ones. Wait until the oil is back to 375°F before every batch of the second fry.
- Season the second they come out of the oil. The fries need to be piping hot when the salt, truffle oil, and Parmesan go on so everything sticks. Freshly grated Parmesan also melts and clings to hot fries much better than pre-shredded cheese, which has a coating that keeps it from melting smoothly.
Truffle Fries
Equipment
- 1 large heavy pot
Ingredients
- 2 lbs golden potatoes
- neutral oil for frying
- ½ cup freshly grated Parmigiano-Reggiano
- 2 tbsp fresh parsley finely chopped
- 1 tbsp fresh chives finely chopped
- freshly ground black pepper
- 1½ tsp kosher salt plus more to taste
- 1 tbsp high-quality truffle oil
Instructions
- Wash 2 lbs golden potatoes and cut them into even ¼-inch fries. Soak them in a large bowl of cold water for at least 30 minutes.2 lbs golden potatoes
- Drain the potatoes and spread them over clean kitchen towels or paper towels. Pat them completely dry.
- Heat 2-3 inches of neutral oil in a heavy pot to 300°F. Fry the potatoes in small batches for 4 to 5 minutes, until tender but still pale. Transfer to a wire rack or paper towels and rest for 5 to 10 minutes.neutral oil
- While the fries rest, stir together ½ cup Parmigiano-Reggiano, 2 tbsp parsley, 1 tbsp chives, and several generous grinds of black pepper in a small bowl.½ cup freshly grated Parmigiano-Reggiano, 2 tbsp fresh parsley, freshly ground black pepper, 1 tbsp fresh chives
- Raise the oil temperature to 375°F. Fry the potatoes again in batches for 2 to 3 minutes, until deeply golden brown and extremely crisp.
- Transfer the hot fries to a large bowl. Immediately toss with 1½ tsp kosher salt and 1 tbsp truffle oil. Add most of the Parmesan herb mixture and toss gently to coat.1½ tsp kosher salt, 1 tbsp high-quality truffle oil
- Pile the fries onto a serving platter. Sprinkle with the remaining Parmesan herb mixture and finish with a pinch of salt and more black pepper. Serve right away.
Notes
- Soak the cut potatoes in cold water for at least 30 minutes to remove surface starch, then dry them completely.
- Use a thermometer and wait for 375°F before each batch of the second fry. Fry in small batches so the oil temperature doesn’t drop.
- Add the truffle oil right after frying, since high heat dulls its aroma. Brands vary in strength, so start with 1 tablespoon and add more to taste.
- Truffle salt can replace some of the kosher salt for a milder flavor or use it if you can’t find truffle oil.
- Golden potatoes give the most buttery center, but russets work too. Cut all the fries to an even ¼-inch thickness so they cook at the same rate.
- Use a high smoke point oil like vegetable, canola, or peanut. Fill the pot with 2 to 3 inches of oil, never more than halfway.
- Grate the Parmigiano-Reggiano fresh, since pre-shredded cheese won’t melt smoothly. Pecorino Romano works but is saltier, so use less kosher salt. For vegetarians, use a Parmesan-style cheese made with vegetarian rennet.
- To make ahead, do the first fry earlier in the day and refrigerate the cooled potatoes. Do the second fry right before serving.
- Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in a 400°F oven or air fryer, not the microwave.
Nutrition
How to Make Truffle Fries Step by Step
Gather all the ingredients together.
Cut and soak the potatoes: Wash 2 lbs of golden potatoes and cut them into even ¼-inch fries. Place them in a large bowl of cold water and soak for at least 30 minutes. The water will turn cloudy as the starch releases, which is exactly what you want. Drain the potatoes and spread them over clean kitchen towels or paper towels. Pat them completely dry. They should feel dry to the touch with no beads of water left on the surface.
Do the first fry: Heat neutral oil in a heavy pot to 300°F. Fry the potatoes in small batches for about 4-5 minutes, until they are tender but still pale. They should bend easily and look soft, not golden. Transfer them to a wire rack or paper towels and let them rest for 5-10 minutes.
Make the topping: While the fries rest, stir together ½ cup freshly grated Parmigiano-Reggiano, 2 tbsp finely chopped fresh parsley, 1 tbsp finely chopped fresh chives, and several generous grinds of black pepper in a small bowl.
Do the second fry: Raise the oil temperature to 375°F. Fry the potatoes again in batches for 2-3 minutes, until they are deeply golden brown and extremely crisp. The bubbling will slow down as the fries finish, and they should look glossy and feel firm when you lift them out.
Season the fries: Transfer the hot fries straight to a large bowl. Immediately toss them with 1½ teaspoons kosher salt and 1 tbsp truffle oil. Add most of the Parmesan herb mixture and toss gently until the fries are evenly coated and the cheese starts to melt onto them.
Finish and serve: Pile the fries onto a serving platter. Sprinkle with the rest of the Parmesan herb mixture, then finish with a pinch of salt and a little more black pepper. Serve right away while they are at their crispiest.
How to Store and Reheat Truffle Fries
These fries are definitely at their best right away, when they are at their crispiest. If you do have leftovers, here is how to keep them tasting great.
Refrigerator
Store leftover fries in an airtight container in the refrigerator for up to 3 days. The fries will soften in the fridge, but they crisp back up nicely when reheated the right way.
Freezer
I don’t recommend freezing the finished fries. The Parmesan and fresh herbs turn soggy once thawed, and the truffle aroma fades. If you want to prep further ahead, you can freeze the potatoes after the first fry. Cool them completely, freeze them in a single layer on a baking sheet, then move them to a freezer bag for up to 1 month. Do the second fry straight from frozen, adding a minute or so to the fry time, then season as usual.
Reheating
Reheat fries in a 400°F oven or air fryer until they are hot and crisp again. Spread them in a single layer so they crisp evenly. A fresh drizzle of truffle oil and a sprinkle of Parmesan after reheating brings back that just-made flavor. I wouldn’t recommend microwaving them, because they will lose their crisp texture.
Make Ahead
You can cut and soak the potatoes earlier in the day and keep them covered in cold water in the refrigerator until you are ready to fry. Just drain and dry them very well before cooking. The Parmesan herb mixture can also be made ahead and kept covered in the refrigerator. For entertaining, do the first fry earlier in the day and refrigerate the potatoes once cooled. Do the second fry just before serving, and wait to add the truffle oil, Parmesan mixture, and finishing salt until right before the fries hit the table.
What to Serve With Truffle Fries
The classic way I serve these is right next to a burger. When I want burger night to feel extra fun, I make Smash Burgers. The thin, crispy-edged patties cook in just a few minutes on the stovetop, so I can have them ready right as the fries come out of their second fry.
For a dinner that feels a little more steakhouse, I pair these with Garlic Butter Steak Bites. The garlic butter and the earthy truffle oil taste amazing together, and both come together fast enough to make on a weeknight. I like to add a simple green salad on the side to balance out all that richness.
When I’m serving these to a crowd, I always put out a bowl of Roasted Garlic Aioli for dipping. It needs at least 30 minutes in the fridge before serving, so I make it the day before, and it is one less thing to think about. Just a heads up that the aioli has Worcestershire sauce, which contains anchovies, so it isn’t a fit for vegetarian guests.
Easy Game Day Snacks to Serve Alongside Truffle Fries
- Restaurant-Style White Queso: This creamy queso brings the same restaurant-at-home feeling as these truffle fries. It stays warm in a slow cooker, so it is easy to set out for a crowd while you finish frying.
- Crockpot Garlic Parmesan Chicken Wings: These wings cook hands-off in the slow cooker, which frees up the stovetop for frying. The garlic Parmesan sauce echoes the cheesy, savory topping on the fries.
- Cheesy Pigs in a Blanket: Cocktail sausages and cheddar get wrapped in crescent dough and brushed with Parmesan ranch butter. They bake in about 15 minutes, so they come out of the oven right around the time the fries finish their second fry.
- Garlic Parmesan Tortilla Chips: Flour tortillas are topped with Parmesan and garlic salt, then baked until crisp. They are a simple homemade dipper for queso or salsa on a snack spread that already has fries.
More Crispy Baked and Air Fryer Fries
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