The famous not-so-secret menu, taken apart. Pick a build, see exactly what goes into it, and watch the burger stack itself layer by layer — so you know precisely what you're ordering.
Unofficial fan guide. Not affiliated with In-N-Out Burger.
The language
The ordering modifiers regulars use at the counter — say the words, get the change.
Mustard grilledThe patty is cooked with mustard spread on it, for a tangy, seared crust
Chopped chiliesChopped yellow chilies added to the burger for heat
Whole grilled onionOne whole onion slice, grilled until soft and golden — thick enough to stand in for a bun
Grilled onionsChopped onions cooked down on the grill until sweet and caramelized
Cold cheeseThe cheese slice goes on unmelted, straight from the fridge
Extra toastThe bun stays on the grill longer — crisper, darker, sturdier
Extra spreadA double helping of the signature spread
On the side
The secret menu doesn't stop at burgers.
Animal FriesFries topped with melted cheese, spread and grilled onions
Fries well-doneFries cooked longer — extra crisp and darker
Fries lightFries cooked for less time — softer and paler
Neapolitan shakeChocolate, vanilla and strawberry shakes poured into one cup