Burger school
Press it thin, hit it hot. Here’s the actual mechanism behind the crispy crust that defines a great smash burger.
Smash burgers are crispy because pressing a loose ball of beef onto a very hot flat-top spreads it thin, maximising surface contact for a deep, browned crust. The technique exposes almost the entire patty surface to searing heat at once, rather than just the bottom face of a thicker patty.
The crust on a great smash burger is not an accident — it is the direct result of one mechanical decision: pressing the patty thin onto a very hot surface the moment it hits the griddle.
A standard grilled patty only ever browns on its two flat faces, and even then unevenly, because a thicker patty does not press flat against the grates or griddle. A smash burger, by contrast, is flattened forcefully against the hot metal — spreading the loose ball of beef out thin and forcing nearly the entire bottom surface into direct, even contact with the heat source.
More surface contact means more of the patty reaches searing temperature at once, which is the condition the Maillard reaction needs to occur. What makes a great burger? →
Smashing alone is not enough — the griddle has to be hot enough to sear on contact rather than steam. A properly heated flat-top griddle, well above 200°C (390°F), sears the thin patty almost instantly, locking in a crisp, deeply browned crust before the inside has a chance to overcook.
If the griddle is too cool, the moisture released by smashing the patty has nowhere to go — it pools under the patty and the surface steams instead of searing, producing a grey, soft exterior instead of a crisp one.
A thin patty has a much higher ratio of crust to interior than a thick one. Because nearly the whole patty is crust, the bite delivers concentrated browned, savoury flavour in every mouthful — which is the textural and flavour signature that makes a smash burger distinct from a thicker, grilled patty.
BB52’s craft burgers use the cooking technique that fits the build — for our smash-style items, that means a properly heated griddle and a hard press the moment the beef hits the heat. What is the Maillard reaction? →
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