Imagine sinking your teeth into a juicy burger drizzled with a creamy, tangy sauce that elevates every bite to delicious perfection. This in and out sauce is the secret weapon for turning ordinary meals into extraordinary flavor explosions, bringing a taste of the iconic In-N-Out burger right to your kitchen.

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Picture this: a sunny afternoon barbecue, laughter filling the air as friends gather around, ready to indulge in burgers slathered with this irresistible sauce. Whether it’s game day or a casual weeknight dinner, this versatile condiment promises to transform any meal into a memorable culinary experience that leaves everyone craving more.
Why Is in and out sauce So Irresistibly Good?
Creamy texture from mayonnaise creates a rich base that makes every bite delightful.
Tangy kick with just the right amount of ketchup and white vinegar adds a burst of flavor that perfectly complements burgers and fries.
Sweetness balanced by sweet pickle relish ensures a unique taste that’s both familiar and exciting.
Savory depth from garlic powder and onion powder elevates your favorite dishes, making them unforgettable.
Quick and easy to whip up in just 5 minutes, this sauce is a time-saver for busy weeknights or last-minute gatherings!
in and out sauce Ingredients
- 1 cup mayonnaise – A creamy base that provides the perfect richness for your in and out sauce.
- 2 tablespoons ketchup – Adds a touch of sweetness and tang, balancing the flavors beautifully.
- 2 tablespoons sweet pickle relish – Brings a delightful crunch and sweetness, enhancing the overall taste.
- 1 teaspoon white vinegar – Offers a tangy kick that brightens the sauce and complements the other ingredients.
- 1 teaspoon garlic powder – Infuses a savory depth of flavor, giving your sauce an irresistible aroma.
- 1 teaspoon onion powder – Adds a subtle sweetness and complexity to round out the sauce’s profile.
- 1 teaspoon paprika – Contributes a warm color and mild smokiness, enriching the overall flavor.
- 1 teaspoon salt – Enhances all the flavors in your in and out sauce, making every bite pop!
- 1/2 teaspoon black pepper – Provides a gentle heat that balances the creaminess of the mayonnaise.
How to Make in and out sauce
1. Combine Ingredients: In a mixing bowl, combine 1 cup mayonnaise, 2 tablespoons ketchup, and 2 tablespoons sweet pickle relish. This forms the creamy base that’s both tangy and rich.
2. Whisk Together: Whisk together until smooth and well combined. You’ll want a lovely, even texture that blends all those flavors beautifully—this shouldn’t take more than a minute!
3. Taste and Adjust: Taste your mixture and adjust seasoning if necessary. With 1 teaspoon each of garlic powder, onion powder, paprika, 1 teaspoon salt, and 1/2 teaspoon black pepper, you can create the perfect balance for your palate.
4. Refrigerate: Refrigerate for at least 30 minutes before serving to allow flavors to meld. This step is crucial—the longer it sits, the better it gets!
Optional: Serve with freshly cut fries or as a burger topping for a delightful twist.
Exact quantities are listed in the recipe card below.
Tips for the Best in and out sauce
- Mayonnaise Matters: Use a high-quality mayonnaise for a richer flavor; it forms the creamy base of your in and out sauce.
- Add Sweetness: Adjust the sweet pickle relish to taste; too much can overpower, while too little may leave it bland.
- Vinegar Balance: Don’t skip the white vinegar; it adds necessary tanginess. Just a teaspoon goes a long way!
- Spice It Up: Experiment with additional spices like cayenne pepper if you prefer your in and out sauce with a kick.
- Chill Time: Allow the sauce to chill for at least 30 minutes; this resting period enhances the flavors beautifully.
- Taste Test: Always taste before serving; adjusting the seasoning can make all the difference in achieving that perfect in and out sauce.
How to Store and Freeze in and out sauce

- Fridge: Store your in and out sauce in an airtight container for up to 1 week. This keeps the flavors fresh and zesty!
- Freezer: While it’s best enjoyed fresh, you can freeze in and out sauce in a freezer-safe container for up to 3 months. Just thaw it in the fridge before use.
- Separation: If you notice any separation after storing, simply give it a good stir before serving. The flavors will meld beautifully again!
- Serving Size: Consider portioning it into smaller containers for easy access, especially if you’re using it for burgers or fries throughout the week.
in and out sauce Your Way
Feel free to let your creativity shine by customizing this delightful sauce to suit your taste!
- Spicy Kick: Add 1 tablespoon of sriracha or your favorite hot sauce for a fiery twist. This addition not only amps up the heat but also brings a zesty flavor that pairs perfectly with burgers and fries.
- Herb Infusion: Mix in 1 tablespoon of finely chopped fresh herbs, like dill or parsley, to elevate the freshness. The vibrant herbs will add a burst of color and flavor, making every bite feel like springtime.
- Smoky Flavor: Incorporate 1 teaspoon of smoked paprika instead of regular paprika for a deeper, smoky essence. This subtle change transforms the sauce into a barbecue lover’s dream, enhancing grilled meats and veggies alike.
- Sweet & Spicy: Combine 1 tablespoon of honey or maple syrup with a dash of cayenne pepper for a sweet heat. This combination creates a balance that dances on your palate, perfect for those who love contrasting flavors.
- Vegan Delight: Substitute mayonnaise with vegan mayo for a plant-based version. You won’t sacrifice creaminess, and it’s perfect for anyone looking to enjoy classic flavors without animal products.
- Creamy Avocado: Blend in 1 ripe avocado for a creamy texture and added nutrients. This twist not only makes it richer but also infuses a subtle flavor that complements any sandwich beautifully.
- Zesty Lemon: Squeeze in the juice of half a lemon to brighten the sauce with citrus notes. This addition refreshes the palate and works wonders drizzled over grilled chicken or fish.
- Pickle Power: Replace sweet pickle relish with dill pickle relish for an extra tangy punch. The tartness adds depth, making it an excellent choice for those who crave bold flavors in their dishes.
Make Ahead Options
This in and out sauce is perfect for meal prep, making it an ideal addition to your busy weeknight dinners or weekend barbecues. You can easily combine the ingredients—1 cup mayonnaise, 2 tablespoons ketchup, 2 tablespoons sweet pickle relish, 1 teaspoon white vinegar, garlic powder, onion powder, paprika, salt, and black pepper—in advance. Simply whisk everything together until smooth and well combined. You can refrigerate the sauce for up to 3 days before serving; just be sure to store it in an airtight container to maintain its creamy texture and vibrant flavor. When you’re ready to enjoy this delicious in and out sauce with your favorite burgers or fries, give it a taste and adjust any seasonings if necessary for the freshest flavor.
Your in and out sauce Questions, Answered
What type of mayonnaise should I use for in and out sauce?
You can use any mayonnaise you prefer, whether it’s classic, light, or even a vegan alternative. Just make sure it’s a creamy style for the best texture. If you’re feeling adventurous, try a flavored mayonnaise like garlic or chipotle to add an extra kick!
Can I substitute any ingredients in this sauce?
Absolutely! If you’re looking to lower the calorie count, consider using Greek yogurt instead of mayonnaise. For a tangier flavor, swap out the sweet pickle relish for dill pickle relish. And if garlic powder isn’t on hand, fresh minced garlic can provide that robust flavor, but start with less since it’s stronger.
How long can I store in and out sauce in the fridge?
Your homemade in and out sauce will stay fresh in an airtight container in the fridge for up to one week. Just be sure to give it a good stir before serving again since some ingredients may settle over time.
Can I freeze in and out sauce?
While you technically can freeze this sauce, the texture may change upon thawing due to the mayonnaise separating. If you do decide to freeze it, use it within a month and try blending it again after thawing to restore its creaminess.
What is the best way to serve this sauce?
This creamy delight is perfect for slathering on burgers or dipping crispy fries into! For a fun twist, try drizzling it over grilled vegetables or using it as a spread on sandwiches. Each serving is about 150 calories, making it an indulgent yet manageable treat for your meals!
How do I adjust the flavor of my in and out sauce?
Taste testing is key! If you find it too tangy, add a touch more sugar or relish. If you prefer it spicier, consider adding a dash of hot sauce or cayenne pepper. Remember to let your sauce chill for at least 30 minutes to allow those flavors to meld beautifully before adjusting!

In and Out Sauce
Ingredients
Method
- In a mixing bowl, combine mayonnaise, ketchup, sweet pickle relish, white vinegar, garlic powder, onion powder, paprika, salt, and black pepper.
- Whisk together until smooth and well combined.
- Taste and adjust seasoning if necessary.
- Refrigerate for at least 30 minutes before serving to allow flavors to meld.





