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The smash burger is a style of hamburger where a ball of ground beef is pressed flat onto a hot griddle, creating a thin patty with a deeply caramelized, crispy crust. It typically features simple toppings like American cheese, pickles, onions, and a special sauce on a soft potato bun. This cooking method originated in the United States and has become a staple of classic diner and fast-food culture.
As a beef-based dish, it is high in protein and fat, with a moderate amount of carbohydrates from the bun. A typical single-patty smash burger provides roughly 400-600 calories, offering significant iron and B vitamins from the beef, but also considerable sodium and saturated fat.
The smash technique maximizes the Maillard reaction, creating a complex, savory flavor and texture that's distinct from thicker, juicier patties. Culturally, it represents a minimalist, efficiency-driven approach to burger-making that has seen a major resurgence in both fast-food and gourmet settings.