The Science of the Perfect Smash Burger: Comparing Two Culinary Heavyweights

Who makes a better Smash Burger? · 7:36 · Video: Ethan Chlebowski · Watch at the source

In short: When it comes to the ultimate smash burger, two titans of the internet food world offer distinct approaches. Carla of Bon Appetit and Kenji Lopez-Alt of Serious Eats both champion the technique, but their methods for achieving that perfect, crispy-edged patty reveal fascinating differences in heat, pressure, and assembly.

The core philosophy of a smash burger relies on the Maillard reaction, where high heat transforms ground beef into a deeply browned, flavorful crust. Both recipes utilize ground beef chuck with a 20% fat content, but their execution diverges significantly. Carla’s method involves heating a cast-iron griddle over medium-high heat for two minutes before smashing four-ounce portions into four-inch diameter patties. These are cooked undisturbed for two minutes before flipping, resulting in a medium-rare finish that prioritizes a classic, substantial burger experience.

In contrast, Kenji Lopez-Alt’s Ultra Smashed Burger focuses on extreme thinness and rapid cooking. He uses a stainless steel pan preheated over high heat for two minutes. Instead of one large patty, he divides four ounces of beef into two-ounce balls, smashing them until they are slightly wider than the bun. By using a second spatula to apply extra pressure, he ensures maximum surface contact. The cooking time is significantly shorter, with the patties searing for just 45 seconds before being scraped from the pan to preserve every bit of the browned crust.

Assembly also highlights different priorities. The Bon Appetit recipe follows a traditional structure, serving the patties on toasted potato rolls with a standard spread of ketchup, mayonnaise, lettuce, and pickles. Kenji’s approach is more tactical; he insists on having the bun pre-dressed with toppings before the meat hits the pan. Once the patties are flipped and cheesed, he stacks them immediately and transfers them to the waiting bun. This rapid-fire assembly ensures the cheese melts perfectly and the burger is served at peak temperature, emphasizing the importance of timing in achieving the ideal texture.

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