The In-N-Out Secret Menu is one of the most famous fast-food hidden menus in the U.S. Even though the regular menu looks simple, regular customers know there are many ways to customize burgers, fries, toppings, and shakes.
From Animal Style and Protein Style to the Flying Dutchman, 3×3 Burger, Animal Style Fries, and Neapolitan Shake, this guide explains the best In-N-Out secret menu items and exactly how to order them.
What Is the In-N-Out Secret Menu?
The In-N-Out secret menu is a list of popular customizations that customers can order using ingredients already available at In-N-Out.
Most employees understand common secret menu names like:
Animal Style
Protein Style
Flying Dutchman
3×3
4×4
Neapolitan Shake
Animal Style Fries
These items are not complicated “hacks.” They are normal custom orders that In-N-Out staff are used to making.
In-N-Out Secret Menu Burgers
Secret Burger
What It Includes
How to Order
3×3 Burger
3 beef patties and 3 slices of cheese
Say “Three by Three”
4×4 Burger
4 beef patties and 4 slices of cheese
Say “Four by Four”
Double Meat Burger
2 beef patties, no extra cheese
Ask for “Double Meat”
Animal Style Burger
Mustard-grilled patty, grilled onions, pickles, extra spread
Say “Animal Style”
Flying Dutchman
2 beef patties and 2 cheese slices, no bun
Ask for a “Flying Dutchman”
Onion-Wrapped Flying Dutchman
Flying Dutchman wrapped in grilled onions
Ask for “Flying Dutchman onion-wrapped”
Tomato-Wrapped Flying Dutchman
Flying Dutchman with tomato instead of bun
Ask for “Flying Dutchman tomato-wrapped”
Protein Style Burger
Burger wrapped in lettuce instead of bun
Say “Protein Style”
Grilled Cheese
Toasted bun, melted cheese, veggies, spread
Ask for “Grilled Cheese”
Mustard-Grilled Patty
Patty cooked with mustard for extra tang
Ask for “mustard grilled”
In-N-Out Secret Menu Fries
Secret Fries
What It Is
How to Order
Animal Style Fries
Fries with cheese, spread, and grilled onions
Say “Animal Style Fries”
Ultimate Animal Style Fries
Animal fries with chopped burger patty
Ask for Animal fries with chopped beef
Cheese Fries
Fries with melted cheese
Ask for “Cheese Fries”
Well Done Fries
Fries cooked longer for crunch
Ask for “Fries well done”
Light Fries
Fries cooked less for a softer texture
Ask for “Fries light”
Extra Well Done Fries
Very crispy fries
Ask for “Extra well done fries”
In-N-Out Toppings & Add-Ons
Add-On
What It Adds
Chopped Chilis
Spicy yellow peppers
Extra Tomatoes
More juicy tomato slices
Whole Grilled Onions
Sweet grilled onion slices
Extra Toast
Crunchier bun
Extra Spread
More In-N-Out sauce
Spread Packets
Extra sauce on the side
Most of these add-ons are easy to request when ordering at the counter or drive-thru.
In-N-Out Secret Menu Drinks & Shakes
Secret Drink / Shake
What It Is
How to Order
Neapolitan Shake
Chocolate, vanilla, and strawberry blended together
Ask for a “Neapolitan Shake”
Root Beer Float
Root beer with vanilla shake or ice cream
Ask for a “Root Beer Float”
Large Shake
Bigger shake size
Ask for a large shake
X-Large Shake
Extra-large shake size
Ask if XL shake is available
Custom Shake Combo
Mix chocolate, vanilla, and strawberry
Describe your flavor mix
How to Order from the In-N-Out Secret Menu
Ordering from the In-N-Out secret menu is simple. Use the exact item name if it is popular, or clearly describe the customization.
Examples:
“Can I get a Double-Double Animal Style?”
“Can I get Animal Style Fries?”
“Can I get a Flying Dutchman?”
“Can I get my burger Protein Style?”
“Can I get a Neapolitan Shake?”
For more complex orders, explain each part clearly.
What is the most popular In-N-Out secret menu item?
The Animal Style Burger is one of the most popular secret menu items.
What does Animal Style mean?
Animal Style usually means mustard-grilled beef patty, grilled onions, pickles, extra spread, lettuce, and tomato.
What is Protein Style at In-N-Out?
Protein Style means the burger is wrapped in lettuce instead of a bun.
What is a Flying Dutchman?
A Flying Dutchman is two beef patties with two slices of cheese and no bun or toppings.
Does In-N-Out have vegetarian options?
Yes. The Grilled Cheese is a vegetarian-friendly secret menu item.
Can I order Animal Style Fries anywhere?
Most In-N-Out locations understand Animal Style Fries.
Are secret menu items more expensive?
Some are more expensive if they include extra patties, cheese, or toppings. Simple swaps may not cost extra.
What is a 3×3 Burger?
A 3×3 Burger has three beef patties and three slices of cheese.
What is a 4×4 Burger?
A 4×4 Burger has four beef patties and four slices of cheese.
What is a Neapolitan Shake?
A Neapolitan Shake combines chocolate, vanilla, and strawberry shake flavors.
Final Thoughts
The In-N-Out Secret Menu 2026 is perfect for anyone who wants more control over their order. You can go bold with Animal Style, keep it low-carb with Protein Style, skip the bun with a Flying Dutchman, or upgrade fries with cheese and spread.
For the easiest experience, use clear names like Animal Style, Protein Style, Flying Dutchman, and Neapolitan Shake when ordering.
