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This In-N-Out sauce copycat recipe is creamy, tangy, slightly sweet, and comes together in just 5 minutes with 6 simple ingredients. If you love the iconic spread from In-N-Out Burger, this homemade version is going to be your new favorite condiment. No trip to the drive-thru needed.
If you have never tried the famous spread from In-N-Out Burger, you are in for a treat. And if you have, you already know why people are obsessed with it. The good news is you do not need to make a trip to get it because this homemade copycat version tastes just as good, maybe even better.
My kids go absolutely crazy for this sauce and honestly it disappears fast in our house. It is a simple Thousand Island style base with mayo, ketchup, and sweet pickle relish, but I add a bit of honey, Dijon mustard, and a splash of white vinegar to give it that extra depth of flavor that makes it so addictive. Once you try it you will never go back to store bought.
Why You’ll Love This In-N-Out Copycat Sauce
- Ready in 5 minutes. Just measure, mix, and done. No cooking, no blending, no cleanup.
- Better than the original. You control exactly what goes in it, and I genuinely think this version tastes even better.
- So versatile. It works as a burger spread, a dipping sauce for fries, a drizzle over grain bowls, or a condiment for wraps and sandwiches.
- Easy to customize. You can make it spicy, lighter, or smokier.
- Family approved. My five kids request this on repeat and it is always the first thing to disappear at the table.
Ingredients for In-N-Out Sauce
- 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.
How to Make In-N-Out Sauce at Home
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!
- Prep ingredients: Add all the ingredients into a small bowl.
- Combine: Mix until all the ingredients are incorporated.
- Enjoy! Serve with your favorite sandwich or burger.
Tips from my kitchen
Recipe Tip
- Substitute for mayo: You can substitute the mayo with Greek yogurt. I 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.
Common Questions
In-N-Outs special sauce is a creamy Thousand Island type sauce that includes ingredients like mayo, ketchup and sweet pickle relish.
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.
The famous sauce is creamy with a tangy, salty and slightly sweet taste.
Yes! Swap the mayo for Greek yogurt to cut the fat and calories while keeping the creamy texture. As a certified nutrition coach, I actually love this swap because it adds a little protein too.
Add a pinch of cayenne pepper or a dash of hot sauce to give it some heat.
It keeps in an airtight container in the fridge for up to 2 weeks. Give it a quick stir before using.
Ways to Use This Burger Sauce
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.
More Sauce Recipes
- Easy Chimichurri Sauce
- Homemade BBQ Sauce
- Healthy Alfredo Sauce
- Buffalo Sauce
- Marinara Sauce
- Homemade Pesto Sauce
What to serve with In-N-Out Sauce
Thank you so much for being here and for cooking along with me. If you try this recipe, I’d love to hear how it turned out. Leave a comment and rating below.
In-N-Out Sauce
Equipment
- medium bowl
Ingredients
- 1/2 cup lite mayonnaise, lite or regular
- 3 tablespoons ketchup
- 2 tablespoons sweet pickle relish
- 1 teaspoon honey , or agave
- 1 teaspoon yellow Dijon Mustard
- 1 1/2 teaspoons distilled white vinegar
Instructions
- Add all the ingredients into a small bowl. (1/2 cup lite mayonnaise,3 tablespoons ketchup, 2 tablespoons sweet pickle relish, 1 teaspoon honey , 1 teaspoon yellow Dijon Mustard, and 1 1/2 teaspoons distilled white vinegar)
- Mix until all the ingredients are incorporated.
- Serve with your favorite sandwich or burger. Store in a jar for up to 2 weeks.
Notes
- Chill for at least 30 minutes before serving for the best flavor.
- Swap mayo for Greek yogurt for a lighter, higher protein version.
- Add cayenne or hot sauce for a spicy kick.
- Double the batch because it goes fast!
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
As a widow, I just cook for myself. Thank you for making one half options on recipes.
Thank you!
I love to this in N out! So good! i’d go in n out all the time with this sauce!
Thank you!