Probably The Best 'Fry' In The World

Probably The Best 'Fry' In The World is a hard French recipe that serves 6. 620 calories per serving. Recipe by Fallow on YouTube.

Prep: 1 hr 15 min | Cook: 3 hrs 15 min | Total: 5 hrs

Cost: $23.85 total, $3.98 per serving

Ingredients

  • 2 kg Agria Potatoes (peeled, sliced lengthwise about 2‑3 mm thick; keep skin on for starch)
  • 200 g Beef Fat (rendered, melted)
  • 200 g Clarified Butter (also called ghee)
  • 50 g Corn Flour (dust between potato layers to help them stick)
  • 5 g Fine Sea Salt (lightly season each potato layer)
  • 2 pieces Whole Egg (large, beaten)
  • 6 pieces Egg Yolk (large)
  • 200 ml Whole Milk (base for cheese sauce)
  • 100 ml Heavy Cream (adds richness to sauce)
  • 1 tsp Smoked Paprika (for color and subtle flavor)
  • 1 tsp Dijon Mustard (adds a touch of acidity)
  • 150 g Red Cheddar Cheese (finely grated)
  • 150 g American Cheese (finely grated or shredded)
  • 100 g Bacon (cut into lardons and fried crisp)
  • 2 L Neutral Vegetable Oil (for deep‑frying; heat to 180°C)
  • 2 sheets Parchment Paper (to line baking tray and cover potato block)

Instructions

  1. Peel and Slice Potatoes

    Peel the Agria potatoes, then slice them lengthwise using a mandolin to a thickness of about 2‑3 mm, holding the potato with the palm of your hand or a guard for safety.

    Time: PT30M

  2. Layer the Slices

    Arrange the slices in a single direction on a parchment‑lined baking tray, sprinkling a pinch of fine sea salt and a very light dusting of corn flour on each layer.

    Time: PT20M

  3. Prepare Hot Fat Mixture

    Melt equal parts beef fat and clarified butter together in a saucepan and keep it warm until it reaches roughly 110°C.

    Time: PT10M

  4. Prick and Drizzle Fat

    Prick the layered potatoes all over with a fork, then slowly pour the hot fat over the block so it penetrates the interior.

    Time: PT5M

  5. Cover and Press

    Place another sheet of parchment on top of the potato block and add a weight (e.g., two filled milk bottles) to keep the layers flat.

    Time: PT5M

  6. Low‑and‑Slow Bake

    Bake the covered potato block in a pre‑heated oven at 140°C for 3 hours, checking that the interior is completely soft.

    Time: PT3H

    Temperature: 140°C

  7. Chill the Block

    Remove the tray, let it cool briefly, then transfer the whole block to the refrigerator and chill for 5–6 hours until firm.

    Time: PT5H

  8. Portion and Shape Chips

    Using a sharp knife, cut the chilled block into uniform chunky chips, aiming for a size that fits comfortably in your hand.

    Time: PT15M

  9. Make Cheese‑Custard Sauce (Bain‑Marie)

    In a mixing bowl whisk together 2 whole eggs, 6 egg yolks, 200 ml milk, 100 ml heavy cream, and 1 tsp smoked paprika. Place the bowl over a pot of barely simmering water and whisk continuously until the mixture reaches 75°C.

    Time: PT20M

  10. Finish the Cheese Sauce

    Remove the bowl from heat, stir in the grated red cheddar first, then the American cheese until fully melted. Add a pinch of salt and 1 tsp Dijon mustard, whisk lightly to keep the sauce glossy.

    Time: PT5M

  11. Deep‑Fry the Chips

    Heat neutral vegetable oil in a deep fryer or large pot to 180°C. Gently lower the chips into the oil, move them slightly to prevent sticking, and fry for about 5 minutes until golden and crisp.

    Time: PT15M

    Temperature: 180°C

  12. Crisp the Bacon

    In a separate skillet, fry the bacon lardons over medium heat until crisp, then set aside on paper towels.

    Time: PT5M

  13. Season and Serve

    Immediately season the hot chips with fine sea salt, drizzle generously with the cheese‑custard sauce, and sprinkle the crispy bacon bits on top. Serve while hot.

    Time: PT5M

Nutrition Facts

Calories
620
Protein
22 g
Carbohydrates
45 g
Fat
38 g
Fiber
5 g

Dietary info: Contains dairy, Contains pork, Gluten‑Free, High‑Protein

Allergens: Eggs, Milk, Cheese, Bacon (pork)

Last updated: July 1, 2026

Amazon Associates

Amazon Associates PartnerTrusted

As an Amazon Associate, we earn from qualifying purchases made through links on this page. This helps support our site at no extra cost to you. Clicking on ingredient or equipment links will take you to amazon.com where you can purchase these items.

Probably The Best 'Fry' In The World

Recipe by Fallow

A decadent French‑inspired chip made from thinly sliced Agria potatoes layered, baked low and slow, chilled, then fried to a perfect crunch and served with a silky cheese‑custard sauce topped with crisp bacon lardons.

HardFrenchServes 6

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
6h 35m
Prep
3h 40m
Cook
1h 14m
Cleanup
11h 29m
Total

Cost Breakdown

$23.85
Total cost
$3.98
Per serving

Critical Success Points

  • Peel and slice potatoes to uniform thinness
  • Layer potatoes with salt and corn flour
  • Heat fat to proper temperature and drizzle into layers
  • Low‑and‑slow bake at 140°C for 3 hours
  • Chill the potato block until firm
  • Prepare cheese‑custard sauce without curdling
  • Add cheeses and finish sauce at low heat
  • Deep‑fry chips to golden crispness

Safety Warnings

  • Use an instant‑read thermometer when heating fat and oil to avoid burns.
  • Mandolin blades are extremely sharp; use a hand guard or hold the potato with the palm of your hand.
  • Hot oil can cause severe burns; never leave it unattended.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of the Thousand‑Layer Potato Chip in French cuisine?

A

The technique originates from the historic street‑food stalls on the Pont Neuf in Paris, where a thick, double‑cooked fry called "pond‑nerf" was served. Over time it evolved into the modern thousand‑layer potato, a luxurious take on the classic French fry that showcases meticulous layering and slow cooking.

cultural
Q

What traditional regional variations of the thousand‑layer potato exist in French cuisine?

A

In Lyon, the dish is sometimes called "pommes à la lyonnaise" and includes a light onion‑butter glaze. In the south of France, herbs such as herbes de Provence are added to the fat mixture. The version presented by YouTube channel Fallow follows the classic Parisian style with beef fat and clarified butter.

cultural
Q

How is the ultimate chip traditionally served in Parisian bistros?

A

Parisian bistros traditionally serve the thick chip on a wooden board, topped with a rich cheese‑custard sauce and crisp bacon lardons, often accompanied by a simple green salad to cut the richness.

cultural
Q

What occasions or celebrations is the thousand‑layer potato chip associated with in French culture?

A

It is a popular indulgence for festive gatherings such as Bastille Day picnics, holiday markets, and upscale bistro brunches, where its dramatic presentation and hearty flavor make it a crowd‑pleaser.

cultural
Q

What authentic ingredients are essential for a traditional French thousand‑layer potato chip versus acceptable substitutes?

A

Authentic ingredients include Agria (or similar starchy) potatoes, beef fat, clarified butter, and a fine cheese like aged cheddar. Acceptable substitutes are Russet potatoes for the spuds, lard or tallow for the beef fat, and processed American cheese for the melt‑friendly component.

cultural
Q

What are the most common mistakes to avoid when making the thousand‑layer potato chip at home?

A

Common errors include slicing the potatoes too thick, skipping the chilling step, using too much corn flour (which makes the chip gummy), and overheating the cheese sauce which causes curdling. Following the precise layering and temperature guidelines prevents these issues.

technical
Q

Why does this recipe use a 140°C oven for 3 hours instead of a higher temperature?

A

A low temperature allows the potato layers to soften fully and release moisture without caramelizing the exterior too quickly. This creates a uniform interior that holds together when pressed and later fried, whereas a hotter oven would brown the outside before the inside is cooked.

technical
Q

Can I make the thousand‑layer potato chip ahead of time and how should I store it?

A

Yes, you can bake, chill, and slice the potato block a day ahead. Keep it wrapped in parchment and foil in the refrigerator. The cheese sauce can also be prepared up to the point of adding cheese and stored refrigerated; re‑heat gently before serving.

technical
Q

What texture and appearance should I look for when the cheese‑custard sauce is finished?

A

The sauce should be glossy, smooth, and coat the back of a spoon without clumps. It will have a velvety consistency similar to a thick custard, with a pale orange hue from the cheddar and a hint of red from the paprika.

technical
Q

What does the YouTube channel Fallow specialize in?

A

The YouTube channel Fallow specializes in detailed, technique‑focused cooking videos that explore classic and modern dishes with a strong emphasis on culinary science, step‑by‑step explanations, and high‑quality visual storytelling.

channel
Q

How does the YouTube channel Fallow's approach to French cooking differ from other French cooking channels?

A

Fallow combines meticulous ingredient sourcing, precise temperature control, and a narrative that explains the historical context of each dish, whereas many other French channels focus more on quick recipes or purely visual presentation without deep technical insight.

channel

You Might Also Like

Similar recipes converted from YouTube cooking videos

Chicken and Onion Stir Fry
975

Chicken and Onion Stir Fry

A quick and tasty Chinese‑style chicken and onion stir‑fry with a savory soy‑oyster sauce. The chicken stays tender and juicy while the onion stays crisp. Serve over steamed rice for a satisfying dinner.

45 minServes 4$100
Chinese
Air Fryer Cheesy Potato Balls
91

Air Fryer Cheesy Potato Balls

Crispy, golden‑brown potato balls packed with mozzarella, halloumi and Parmesan, cooked to perfection in an air fryer. Perfect as an appetizer, snack, or side dish for any gathering.

1 hr 42 minServes 4$6
Italian
Beef and Onion Stir Fry
152

Beef and Onion Stir Fry

A quick and easy Chinese‑style beef and onion stir fry that’s perfect with rice or noodles. Thinly sliced beef is marinated in soy, dark soy, oyster sauce, sugar, baking soda and cornstarch, then stir‑fried with white and green parts of green onions, garlic, rice wine and a splash of water for a glossy, flavorful sauce.

35 minServes 2$7
Chinese
Chicken And Bok Choy Stir Fry
294

Chicken And Bok Choy Stir Fry

A quick, healthy Chinese‑style stir‑fry featuring tender chicken breast and crisp baby bok choy, flavored with garlic, ginger, soy sauces, and a light cornstarch glaze. Perfect served over rice for a satisfying weeknight dinner.

35 minServes 4$7
Chinese
How to Make the Softest Italian Meatballs in Tomato Sauce (No Frying)
268

How to Make the Softest Italian Meatballs in Tomato Sauce (No Frying)

A classic old‑school Italian method for ultra‑tender meatballs cooked directly in a simple tomato‑basil sauce. No frying or baking—just simmer the meatballs in the sauce for 30‑40 minutes for a juicy, flavorful result that can be served as a second course or over pasta.

1 hr 35 minServes 4$30
Italian
STOP Buying Potato Chips! Get Air Fryer "Lumpia Chips" (Sweet & Savory)
175

STOP Buying Potato Chips! Get Air Fryer "Lumpia Chips" (Sweet & Savory)

Crispy, airy chips made from thawed lumpia (spring‑roll) wrappers, air‑fried in just minutes and tossed in either a garlicky Parmesan blend or a vibrant purple‑yam (yube) sugar coating. A low‑calorie, high‑protein snack that beats potato chips.

45 minServes 4$14
Filipino