Home » Recipes » Published Mar 3, 2021 by Allyson This post may contain affiliate links. Read my disclosure policy.Jump to RecipeIn-n-Out Sauce is famous on their burgers and to dip fries into! Now you can make it at home with this perfect copycat in-n-out sauce recipe!Making your favorite restaurant sauces at home is so easy, and often times overlooked! I have already shared with you how to make Big Mac Sauce, Zaxby's Sauce, Outback Bloom Sauce and many more! This Copycat In-N-Out Sauce will be a staple topping or dip for Air Fryer Hamburgers, Air Fryer French Fries, or even Air Fryer Asparagus fries! It's delicious and easy, and most of the ingredients you likely have at home!As I mentioned, making Copycat In-N-Out Sauce couldn't be easier, and you likely already have all the ingredients at home. Here's how to make it:How to make Copycat In-N-Out Sauce:**scroll down for full ingredients list and printable directions**Get all the ingredients together for in-n-out sauce: Mayonnaise (I...