In-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 like reduced fat), ketchup, yellow mustard, white vinegar, sweet pickle relish, salt, and pepper.
- Add all the ingredients to a medium bowl and then whisk to combine.
- Refrigerate for at least 30 minutes to let all the flavors meld together.
- Serve on your favorite hamburger or dip your fries into this delicious in-n-out sauce!
- Store sauce up to TWO WEEKS in the fridge in a sealed container.
Need ideas on how to use this delicious sauce? Here are some great recipes to add or use In-N-Out Sauce:
- Air Fryer Frozen French Fries
- Air Fryer Tater Tots (cook from frozen)
- Air Fryer Hamburgers
- Air Fryer Hot Dogs
- Hot Dog Chili Bake
- Air Fryer Zucchini Fries (no oil)
- Air Fryer Cheese Fries (2 ingredients)
- Air Fryer Green Bean Fries (no oil recipe)
Have you tried the famous In-N-Out Sauce? Even if you have never tried it, now you can make the perfect replica at home to use all the time! It is so delicious and easy!
In-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!
- ½ cup mayonnaise (reduced fat or regular)
- 3 TBS ketchup
- 1 teaspoon yellow mustard
- 1 teaspoon white vinegar
- 2 ½ TBS sweet pickle relish
- dash of salt
- dash of black pepper
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Using a medium bowl, add all the ingredients. Whisk well to combine.
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Cover and refrigerate for 30 minutes.
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Serve and enjoy!
Will keep for 2 weeks in a sealed container in the fridge.
Makes about ¾ cups of sauce. Each serving is 1 TBS.
Nutritional information per serving: 32 calories, 2g fat, 4g carbohydrates, 2g sugar (used reduced fat mayo to calculate).
Jen
This is the only sauce my kids use for their fries! So quick and easy to make plus no reason to go out for it anymore. Love it!
Jessica Burgess
YESSSS! I have been craving this since we moved and no longer have an In-N-Out, and this totally worked and conquered my craving!! Thank you!
Erin
This is such an amazing flavor combo!!
katerina @ diethood.com
I love this flavor combo! Its incredibly delicious!
Beti | easyweeknightrecipes
Yes, please! This looks incredibly delicious! I can't wait to try it!
Catalina
It's a sauce that I must make at home. It sounds so delicious.
Toni
This is really perfect!! It is so easy to make, too!
Minda
This is the right recipe the others are missing the mustard. Appreciate the recipe.
Allyson
It is SO good!
Rocio
This is the best one I’ve tried. Thank you! I used to try a recipe with sugar and it ruins it.
Allyson
I am so happy you like it!