What is the name of the burger that In-N-Out is known for?

The burger In-N-Out is known for is the Double-Double.

The name describes its build: two beef patties and two slices of American cheese. It is served on a toasted bun with lettuce, tomato, onions if requested, and In-N-Out’s signature spread. The Double-Double is the chain’s best-known standard cheeseburger.

In-N-Out was founded in 1948 by Harry and Esther Snyder in Baldwin Park, California. The company emphasizes a relatively small menu, fresh ingredients, and preparing food to order. That limited-menu approach helps distinguish its core burgers from the larger variety offered by many competing chains.

A common mix-up is confusing the Double-Double with the chain’s secret-menu options. A 3×3 has three patties and three cheese slices, while a 4×4 has four of each. “Animal Style” changes the preparation and toppings; it is not a different burger name. The Double-Double remains the iconic menu item associated with the brand.