Mustard Grilled Patty
In-N-Out Secret Menu

A In-N-Out Secret Menu Hack

Looking for a little extra zing? One of the more popular items on In-N-Out Burger's secret menu is the In-N-Out Mustard Grilled Patty. By requesting this item, the team over at In-N-Out Burger will slather the patty with mustard before grilling it. The result is a burger with a little more kick. Sounds good, right? If you want to go even further out of the box, we suggest ordering a "Protein Style Burger" with an In-N-Out Mustard Grilled Patty as the flavor just bursts through the lettuce wrap. Enjoy!

What Is The Mustard Grilled Patty Secret?

Mustard Spread is applied to the burger patty before it's grilled up

How Do I Order The Mustard Grilled Patty?

Ask for your burger to be "Mustard Grilled" when ordering.

Where Can I Order The Mustard Grilled Patty?

The Mustard Grilled Patty is available in: Most Locations

*Not all items shown are available or authorized at every restaurant. Price and participation may vary.

We are constantly adding new secret menu items to our list to keep up with your appetite. But did you know that we also provide updated menu prices for your favorite restaurants as well? And if that's not enough to satisfy you, you should check out our list of happy hours. Contact us if there's a restaurant or secret menu hack you'd like us to add!