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Home » Recipes » Dips & Sauce

Copycat In-N-Out Sauce (easy recipe)

Published Mar 3, 2021 by Allyson · 14 Comments
This post may contain affiliate links. Read my disclosure policy.

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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!

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!

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!

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.
ingredients for In-n-Out Sauce
  • 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.
In-n-Out Sauce mixed in a bowl

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)
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!

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!

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5 from 9 votes
Print
Copycat In-N-Out Sauce
Prep Time
3 mins
refrigerate
30 mins
Total Time
33 mins
 

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!

Course: Side Dish
Cuisine: American
Keyword: copycat in-n-out sauce
Servings: 12 Tablespoons (about)
Calories: 32 kcal
Ingredients
  • 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
Instructions
  1. Using a medium bowl, add all the ingredients. Whisk well to combine.

  2. Cover and refrigerate for 30 minutes.

  3. Serve and enjoy!

Recipe Notes

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).

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Reader Interactions

Comments

  1. Jen

    March 03, 2021 at 9:05 am

    5 stars
    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!

    Reply
  2. Jessica Burgess

    March 03, 2021 at 9:14 am

    5 stars
    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!

    Reply
  3. Erin

    March 04, 2021 at 12:37 am

    5 stars
    This is such an amazing flavor combo!!

    Reply
  4. katerina @ diethood.com

    March 04, 2021 at 12:05 pm

    5 stars
    I love this flavor combo! Its incredibly delicious!

    Reply
  5. Beti | easyweeknightrecipes

    March 04, 2021 at 12:06 pm

    5 stars
    Yes, please! This looks incredibly delicious! I can't wait to try it!

    Reply
  6. Catalina

    March 04, 2021 at 12:48 pm

    5 stars
    It's a sauce that I must make at home. It sounds so delicious.

    Reply
  7. Toni

    March 04, 2021 at 1:40 pm

    5 stars
    This is really perfect!! It is so easy to make, too!

    Reply
  8. Minda

    March 17, 2022 at 1:01 am

    5 stars
    This is the right recipe the others are missing the mustard. Appreciate the recipe.

    Reply
    • Allyson

      March 17, 2022 at 4:03 pm

      It is SO good!

      Reply
  9. Rocio

    August 02, 2022 at 6:50 pm

    5 stars
    This is the best one I’ve tried. Thank you! I used to try a recipe with sugar and it ruins it.

    Reply
    • Allyson

      August 03, 2022 at 5:41 pm

      I am so happy you like it!

      Reply

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