Le Burger Américain
Chapter 2 — The Mains
Grind cold chuck at dawn, folding in 83-percent cultured butter for a twelve-hour overnight rest; anyone who has claimed a stool at a pewter bar in SoHo, sipping a sharp Sancerre while waiting for lunch, knows the French bistro treats the American hamburger not as fast food, but as a chopped steak. This custom high-fat beef blend basted in clarified butter, paired with onions sweated until translucent, guarantees your kitchen will smell exactly like Spring Street on a Friday afternoon. Get the cast-iron skillet smoking hot, lay the meat down, and leave it alone.
Before you start
Soak the cut potatoes in cold water overnight.
Submerge the matchsticks in a large bowl of cold water and refrigerate for 12 to 24 hours to draw out the excess surface starch, guaranteeing a crisp fry.
Meticulously dry the potatoes before frying.
Drain and pat the potatoes completely dry with paper towels; any residual moisture will cause the hot oil to boil over violently.
Whisk together the sauce maison ingredients and refrigerate.
Combine the mayonnaise, ketchup, Dijon, minced cornichons, brine, Worcestershire, and a pinch of black pepper, letting the flavors meld while you prep.
Ingredients
- yellow onions2 large
- unsalted cultured French butter2 tbsp
- olive oil1 tbsp
- granulated sugar1 tsp
- Champagne vinegar1 tbsp
- kosher salt1 tbsp
- mayonnaise1/2 cup
- ketchup2 tbsp
- Dijon mustard1 tbsp
- cornichons1 tbsp
- cornichon brine1 tsp
- Worcestershire sauce1 tsp
- black pepper1 tbsp
- custom beef blend2 lb
- clarified butter3 tbsp
- American cheese4 large
- brioche buns4 large
- Russet potatoes4 large
- peanut oil2 qt
- fine sea salt1 tbsp
Method
- 01
Caramelize the onions slowly for 60 to 90 minutes.
Heat the cultured butter and olive oil in a skillet over medium heat, add the sliced onions, and cook until translucent. Lower the heat, add a pinch of salt and sugar, and stir occasionally for an hour and a half until they break down into a dark mahogany jam, deglazing with Champagne vinegar at the very end.
- 02
Blanch the dried potatoes in peanut oil at 325°F.
Heat the peanut oil in a Dutch oven to exactly 325°F. Working in small batches, fry the dried potatoes for 3 to 4 minutes until limp and opaque but not brown, then remove to a wire rack to cool completely.
- 03
Gently form the beef into four 8-ounce patties and toast the buns.
Handle the meat as little as possible to keep it tender, and press a slight dimple into the center of each patty so they don't dome in the pan. Lightly butter the split buns and toast them in a skillet until golden brown.
- 04
Sear the seasoned burgers in a smoking-hot cast iron skillet using clarified butter.
Heat a heavy cast-iron skillet over medium-high heat until smoking, add the clarified butter, and generously season the patties with salt and coarse pepper before dropping them in. Clarified butter is crucial here; its high smoke point bastes the beef without burning the milk solids.
- 05
Cook the patties à point and melt the cheese.
Sear for 3 to 4 minutes to build a deep, dark crust, flip, instantly top with the cheese, and cook for another 3 minutes until medium-rare (around 130°F to 135°F internally). Move the patties to a cutting board to rest.
- 06
Crisp the blanched frites at 375°F and immediately toss with sea salt.
Increase the oil heat to 375°F and drop the blanched fries back in batches for 3 to 4 minutes until they become a shatteringly crisp golden brown, tossing them in fine sea salt the second they leave the oil.
- 07
Assemble the burger with the sauce, patty, and a heavy layer of confit onions.
Smear the toasted bottom bun with the sauce maison, add the rested, cheese-draped patty, spoon an unapologetic layer of the oignons confits over the cheese, and crown with the top bun.
Notes
The 75/25 meat-to-fat ratio is strictly non-negotiable.
If you cannot source a custom grind of chuck, brisket, and short rib, demand a pre-packaged 75/25 or 80/20 blend. Anything leaner will dry out instantly in the blistering heat of the cast iron.
Your choice of cheese dictates the burger's terroir.
American cheese provides the flawless, viscous melt of Pastis's classic, while a thick slice of cave-aged Gruyère pulls the profile back toward a true Parisian brasserie.
Defend your fry oil temperature.
If the peanut oil drops significantly below 325°F during the initial fry, do not panic. Remove the potatoes, let the oil recover its heat, and proceed in smaller batches.