In-N-Out is famous for its delicious burgers, fresh ingredients, and fast service, but many people aren’t aware of the hidden treasures lurking on its secret menu. These special items offer a variety of exciting twists on the classic offerings, from unique burger configurations to delicious sides. Whether you’re a regular customer or a first-time visitor, exploring In-N-Out’s secret menu will enhance your experience and introduce you to new flavors that you may not find on the standard menu.
Below is a guide to some of the most popular secret menu items at In-N-Out, complete with instructions on how to order them. Prepare to elevate your fast-food experience with these off-the-beaten-path items that In-N-Out fans swear by.

What is In-N-Out Burger Secret Menu?
In-N-Out Burger’s secret menu is a collection of hidden items that loyal fans have discovered over the years, offering exciting twists on the classic menu. While the restaurant keeps its official offerings simple, these secret items allow customers to customize their meals for a more indulgent experience. Whether you’re looking for extra meat, unique sides, or a creative dessert, the secret menu has something for everyone.
One of the most popular items is the Flying Dutchman, a bunless option featuring two beef patties and two slices of melted cheese, perfect for those following a low-carb diet. If you’re in the mood for a sweet and fizzy treat, the Root Beer Float is a must-try, combining vanilla ice cream with refreshing root beer. For those who love a hearty burger, the 4 x 4 Burger stacks four beef patties and four slices of cheese, making it the ultimate choice for meat lovers.
Cheese lovers will enjoy Cheese Fries, where crispy fries are smothered in melted cheese for a rich and flavorful bite. If you’re craving something extra sweet, Large Milkshakes offer a bigger portion of In-N-Out’s creamy shakes in chocolate, vanilla, or strawberry flavors. These secret menu items enhance the In-N-Out experience, allowing customers to enjoy their favorite flavors in a new and exciting way.
The Flying Dutchman

The Flying Dutchman is a no-bun burger option that consists of two beef patties and two slices of melted cheese. It’s a simple yet satisfying choice for those looking to avoid carbs or anyone wanting to try something that focuses purely on the meat and cheese flavors. No vegetables or condiments are included, so you get the full, unadulterated taste of In-N-Out’s high-quality beef.
How to Order:
This option is perfect for anyone following a low-carb or keto diet, offering all the flavor without the bread.
Also see In-N-Out Menu with Prices
Mustard Grilled Patty

The Mustard Grilled Patty is an upgrade for burger lovers who enjoy a bit of tang. In this variation, the patty is cooked with mustard on the grill, infusing the beef with a subtle, tangy flavor that pairs beautifully with the classic In-N-Out toppings. It’s a simple but effective way to add a little extra flavor to your burger.
—How to Order:
This simple addition transforms a regular burger into something special, adding a burst of flavor to your meal.
In-N-Out Root Beer Float Secret Menu

A Root Beer Float is a nostalgic and refreshing treat that pairs perfectly with any In-N-Out burger. Combining root beer and vanilla ice cream, this classic dessert brings a smooth, creamy sweetness to your meal. It’s a great option to enjoy if you want something a little different from the usual soft drink.
How to Order:
This indulgent treat is the perfect way to cool down and satisfy your sweet tooth after a satisfying meal.
Grilled Cheese

For vegetarians or those looking for a lighter option, the Grilled Cheese is a fantastic choice. This menu item consists of two slices of melted cheese between a toasted bun, accompanied by all the classic In-N-Out toppings like lettuce, tomato, and onions. It’s a great option for anyone wanting to skip the meat while still enjoying the signature In-N-Out flavor.
How to Order:
It’s a delicious and satisfying vegetarian alternative, perfect for those who want to experience In-N-Out without the beef.
Add Chopped Chilis

In-N-Out offers the option to spice up your meal by adding chopped chilis to any of their menu items. These spicy, tangy peppers add a kick of heat and flavor to burgers, fries, or even milkshakes. It’s an easy way to customize your meal and take it to the next level.
How to Order:
This fiery addition will give your meal an exciting, flavorful twist that spice lovers will appreciate.
Neapolitan Milkshake

In-N-Out’s Neapolitan Milkshake combines three classic flavors – chocolate, vanilla, and strawberry – all in one creamy, decadent drink. It’s perfect for those who can’t decide which flavor to choose or just want a little variety in their shake. This treat is a must-try for anyone with a sweet tooth.
How to Order:
This milkshake is a nostalgic, flavorful combination that satisfies any craving for something sweet and creamy.
In-N-Out 4 x 4 Burger Secret Menu

The 4 x 4 Burger is a true challenge for burger enthusiasts. It includes four beef patties and four slices of cheese, creating a massive sandwich that’s sure to fill you up. It’s an over-the-top, indulgent option for anyone looking for a hearty meal and a lot of flavor.
How to Order:
This burger is for the serious eater, delivering a towering, delicious feast.
Cheese Fries

In-N-Out’s Cheese Fries are a simple yet delicious way to enjoy their famous fries with a twist. The fries are topped with melted cheddar cheese, turning them into a gooey, savory treat that pairs perfectly with any burger. They’re perfect for anyone who loves a little extra indulgence with their meal.
How to Order:
These fries are a perfect side dish for anyone looking to elevate their usual order and enjoy some cheesy goodness.
Animal Style Burger

The Animal Style Burger is one of In-N-Out’s most popular secret menu items. It features a beef patty cooked with mustard, grilled onions, extra cheese, and special sauce. It’s a flavor-packed burger that takes the classic In-N-Out experience to new heights, making it a fan favorite.
How to Order:
This burger is full of bold, savory flavors and a must-try for anyone craving a unique twist on a classic.
Protein Style Burger

If you’re looking to ditch the bun but still want all the delicious toppings, the Protein Style Burger is your solution. Instead of a traditional bun, this burger is wrapped in fresh lettuce, creating a low-carb alternative that doesn’t sacrifice any flavor.
How to Order:
This is the perfect option for anyone on a low-carb or keto diet while still enjoying the classic In-N-Out flavors.
Add Extra Tomatoes

If you love tomatoes, adding extra slices to your In-N-Out burger can elevate the freshness and flavor of your meal. The juicy tomatoes provide a burst of sweetness and balance out the richness of the beef and cheese.
How to Order:
This simple addition is a great way to enhance the taste of your burger and add a refreshing element.
Tomato-Wrapped Flying Dutchman Burger

For a twist on the traditional Flying Dutchman, you can order the Tomato-Wrapped Flying Dutchman. Instead of using a bun, this version is wrapped in fresh tomato slices, offering a healthier and flavorful option without the carbs.
How to Order:
This variation adds a fresh, juicy element to the Flying Dutchman, perfect for anyone looking for a lighter burger option.
Large Milkshakes

In-N-Out also offers the option to upgrade to a Large Milkshake, which comes with a bigger serving of the same creamy goodness you love. Perfect for sharing or for those with a bigger appetite, it’s a great way to treat yourself to even more of their indulgent shakes.
How to Order:
It’s a great way to enjoy a larger portion of your favorite milkshake for a more satisfying treat.
Double Meat Burger

The Double Meat Burger is the perfect option for anyone craving extra beef in their burger. This variation features two patties, which doubles the amount of juicy, flavorful beef in your meal. It’s an ideal choice for those who enjoy a heartier burger.
How to Order:
This burger is great for anyone who needs a little extra protein or just loves a larger burger.
In-N-Out Extra Toast Secret Menu

If you love the taste of toasted buns, you can request Extra Toast with your In-N-Out burger. The additional toasty crunch enhances the overall flavor and texture of the sandwich, making it even more satisfying.
How to Order:
Extra toast adds a bit more texture to your burger, making it even more delightful with every bite.
3 x 3 Burger

For those who want a hearty meal but aren’t quite up for the 4 x 4, the 3 x 3 Burger is a perfect choice. It consists of three beef patties and three slices of cheese, delivering a satisfying and filling experience with each bite.
How to Order:
This burger provides a perfect balance of meat and cheese, making it a great option for those with a big appetite.
Animal Style Fries

Animal Style Fries are a classic In-N-Out secret menu item that’s loved by many. These fries are topped with melted cheese, grilled onions, and special sauce, transforming them from a simple side into a decadent treat.
How to Order:
These fries are a must-try for anyone looking for an indulgent, flavorful side dish to go with their meal.
Ultimate Animal Style Fries

If you love Animal Style Fries but want to take it up a notch, the Ultimate Animal Style Fries are a perfect option. They’re topped with even more cheese, grilled onions, and a generous helping of special sauce, making them extra indulgent.
How to Order:
These loaded fries are a dream for cheese lovers and anyone who craves a hearty, flavorful side.
In-N-Out Free Extras Secret Menu

In-N-Out is known for offering free extras, such as extra onions, pickles, or sauces. It’s a great way to personalize your meal and add extra flavor without any additional cost.
How to Order:
These free additions allow you to customize your meal and make it even more enjoyable.
Onion-Wrapped Flying Dutchman Burger

The Onion-Wrapped Flying Dutchman is a variation of the Flying Dutchman with a flavorful twist. Instead of a bun, the burger is wrapped in grilled onions, adding a savory, caramelized taste that pairs perfectly with the beef and cheese.
How to Order:
This version offers an extra layer of savory goodness with the addition of grilled onions.
Well Done Fries

If you prefer your fries extra crispy, you can ask for them to be cooked “Well Done.” This method gives you fries that are extra crispy on the outside, with a perfect balance of softness inside.
How to Order:
These secret menu items are just a few of the creative ways to enjoy In-N-Out’s delicious offerings. Whether you’re looking for extra cheese, more meat, or a unique twist on your favorite items, there’s something for everyone on the hidden menu.
Also see Jamba Juice Secret Menu
Trending Secret Menu at In-N-Out Burger Restaurant
One of the most talked-about and beloved secret menu items at In-N-Out is the Animal Style Fries. This fan-favorite takes the restaurant’s classic fries to a whole new level with bold flavors and extra toppings. Instead of plain fries, this version is topped with melted American cheese, grilled onions, and In-N-Out’s signature spread. The combination of crispy fries, gooey cheese, and savory onions makes this dish an irresistible choice.
The popularity of Animal Style Fries has soared in recent years, becoming a must-order item for those in the know. Social media has played a huge role in spreading the word, with food lovers sharing photos and reviews of this indulgent side. If you’re looking to enhance your In-N-Out experience, this secret menu item is a must-try.
How to Get Ultimate Animal Style Fries at In-N-Out Burger?
If you want to take Animal Style Fries to the next level, you can order the Ultimate Animal Style Fries with even more toppings and customization. Here’s how to get them:
- Ask for Animal Style Fries – This will get you fries with melted cheese, grilled onions, and special sauce.
- Request extra cheese – For a cheesier experience, ask for more melted cheese on top.
- Add chopped chilis – For a spicy kick, request chopped chilis to be mixed in.
- Go for extra grilled onions – If you love onions, you can double the amount for extra flavor.
- Ask for well-done fries – Want your fries extra crispy? Order them “Well Done” before adding the toppings.
With these modifications, your Ultimate Animal Style Fries will be a rich, flavorful, and satisfying treat. It’s the perfect side dish for any In-N-Out meal and a must-try for fans of bold flavors.
Final Thoughts on In-N-Out Secret Menu
Exploring In-N-Out’s secret menu adds a fun twist to your usual order. Whether you go for the Flying Dutchman for a carb-free indulgence, a refreshing Root Beer Float, or a spicy boost with chopped chilis, there’s something for everyone.
Next time you visit, don’t be afraid to mix things up and customize your meal. These hidden gems can take your In-N-Out experience to the next level!