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I am going to show you how to make In-N-Out Sauce at home in just minutes with this delicious copycat version. Just a handful of ingredients to make this creamy, slightly sweet, tangy condiment that’s perfect for dipping fries, or as a spread for burgers and sandwiches!

Top view bowl of in n out sauce in a white bowl with spoon in it.
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If you’ve never tried the popular In-N-Out Sauce from the fast food chain, you’re in for a real treat with this recipe. You do not need to go out and get these when you can actually make them at home! Yay! My kids are all into these different sauces and get really excited when I make them. This sauce is just a basic Thousand Island-style dressing with mayonnaise, ketchup and sweet pickle relish. But I also love adding in honey 🍯, Dijon mustard and white vinegar for a flavorful condiment that complements almost anything. I much prefer this Version and I think you will too.

Recipe Summary

  • Quick and easy to make: Making this spread is as simple as stirring together common ingredients. It can be whipped up in less than 5 minutes!
  • Customizable: You can easily adjust the ingredients and amounts to suit your personal taste preferences.
  • Versatile usage: This is perfect for adding flavor to burgers and French fries, but it’s also great with grilled meats, vegetables, and sandwiches. I love to use this as a dipping sauce too!
Spoonful of In-N-Out sauce.

Ingredients Needed

  • Mayonnaise: You can use lite or regular mayo as the creamy base for this dip.
  • Ketchup: Provides a sharp tomato taste to balance the creamy mayo.
  • Sweet pickle relish: It’s tart, sweet, and salty all at once making it a magical game-changer in dips, sauces, and dressings.
  • Honey: Adds sweetness to the spread.
  • Dijon mustard: Has a mustard flavor, but is more intense, sharp, and complex than regular yellow mustard.
  • Distilled white vinegar: Adds a tangy acidity to balance the sweetness.
Bowls filled with mayo, ketchup, mustard and vinegar.

How to Make It

You can have this ready to go in a matter of minutes! Measure out all of the ingredients into a bowl and stir them together. It’s so good, that you’re going to want to double the batch!

  1. Prep ingredients: Add all the ingredients into a small bowl.
  2. Combine: Mix until all the ingredients are incorporated.
  3. Enjoy! Serve with your favorite sandwich or burger.

My Pro Tip

Recipe Tip

  • Substitute for mayo: You can substitute the mayo with Greek yogurt. We tested it and it tasted great.
  • Chill: If you have the time, refrigerate for at least 30 minutes to a few hours before serving to allow all of the flavors to mingle and intensify for the best flavor.
  • Bring the heat: Add a pinch of cayenne pepper if you want it spicy
  • Make it smoky: Add about 1/2 teaspoon of liquid smoke for a smoky flavor.

Frequently Asked Questions

What is In-N-Out sauce made of?

In-N-Outs special sauce is a creamy Thousand Island type sauce that includes ingredients like mayo, ketchup and sweet pickle relish.

Is In-N-Out sauce the same as Thousand Island dressing?

While In-N-Out Sauce is similar to Thousand Island dressing, it’s definitely not the exact same thing. Thousand Island has a thicker consistency and is slightly spicier than In-N-Out sauce.

What does the In-N-Out spread taste like?

The famous sauce is creamy with a tangy, salty and slightly sweet taste.

Ways to Enjoy

We use dipping sauces all the time on literally everything and this is one of our favorites 😍 In-N-Out Sauce is commonly served with a variety of foods from chicken tenders to roasted veggies, and it’s especially great with burgers, fries, and onion rings. Here are some ideas for ways to serve it:

  • Dip: Use it as a dipping sauce for oven fried chicken tenders, carrot fries, sweet potato fries or zucchini fries.
  • Condiment: Spread this on top of any burger, wrap or sandwich!
  • Drizzle: Drizzle over meat, potatoes, roasted vegetables, or anything that would complement the savory flavors. This sauce would even be delicious and drizzled over grain bowls.

Storage Recommendations

Store leftover In-N-Out spread in an airtight container in the refrigerator for up to 2 weeks. This sauce is best served cold.

Getting a spoonful of In-N-Out sauce out of a glass jar.

More Sauce Recipes

Stuff to eat with this dip

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5 from 1 vote

In-N-Out Sauce

By: Rena
Servings: 6 servings (12 tablespoons total)
Prep: 5 minutes
Total: 5 minutes
a round white bowl of in-n-out sauce with a spoon in the bowl
Learn how to make In-N-Out Sauce at home in just minutes with this delicious copycat version. Just a handful of ingredients to make this creamy, slightly sweet, tangy condiment that’s perfect for dipping fries, or as a spread for burgers and sandwiches!

Equipment

Ingredients

  • 1/2 cup mayonnaise, lite or regular
  • 3 tbsp ketchup
  • 2 tablespoons sweet pickle relish
  • 1 tsp honey or agave
  • 1 tsp yellow Dijon Mustard
  • 1 1/2 teaspoons distilled white vinegar

Instructions

  • Add all the ingredients into a small bowl.
  • Mix until all the ingredients are incorporated.
  • Serve with your favorite sandwich or burger.

Notes

  • You can substitute the mayo with Greek yogurt or sour cream. I tested it and it tasted great.
  • Store in a sealed container or bottle in the fridge

Nutrition

Serving: 1servingCalories: 145kcalCarbohydrates: 5gProtein: 0.3gFat: 14gSaturated Fat: 2gPolyunsaturated Fat: 8gMonounsaturated Fat: 3gTrans Fat: 0.03gCholesterol: 8mgSodium: 236mgPotassium: 28mgFiber: 0.1gSugar: 4gVitamin A: 112IUVitamin C: 0.4mgCalcium: 3mgIron: 0.1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: condiment
Cuisine: American
Tried this recipe?Mention @healthyfitnessmeals or tag #healthyfitnessmeals!

Author

About Rena Awada

Hi, I’m Rena! I am here to help you prepare delicious, light, fresh meals that your whole family will love!

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