Imagine biting into a perfectly grilled burger, the juicy patty nestled between warm, toasted buns, and every layer is drizzled with the irresistible in and out sauce that dances on your taste buds. This creamy, tangy delight not only elevates burgers but also takes fries and sandwiches to a whole new level of flavor explosion, making it a must-have for any backyard barbecue or casual dinner.
I still remember the first time I tasted something similar at an outdoor cookout; it was like a flavor revelation! Picture this: friends gathered around, laughter filling the air, and that moment when you dip a crispy fry into the in and out sauce—pure bliss. Whether it’s a summer gathering or a cozy night in, this sauce promises to transform your meal into an unforgettable experience filled with joy and deliciousness.
Why Is in and out sauce So Irresistibly Good?
Creamy texture from a generous cup of mayonnaise gives this sauce its delightful richness. Tangy kick comes from just the right amount of white vinegar, perfectly balancing the sweetness of ketchup and pickle relish. Flavor-packed with garlic and onion powder, it elevates your burgers and fries to new heights. Quick and easy, you can whip this up in just 5 minutes, making it an ideal last-minute addition to any meal. Crowd-pleaser? Absolutely! Everyone will be reaching for more once they taste this irresistible blend.
in and out sauce Ingredients
- 1 cup mayonnaise – This creamy base adds rich flavor and texture to your in and out sauce.
- 2 tablespoons ketchup – A touch of sweetness that balances the tanginess of the other ingredients.
- 2 tablespoons sweet pickle relish – Adds a delightful crunch and a hint of sweetness, enhancing the overall flavor profile.
- 1 teaspoon white vinegar – Provides acidity to brighten up the sauce and cut through the richness.
- 1 teaspoon garlic powder – Infuses the sauce with a savory depth that complements burgers and fries beautifully.
- 1 teaspoon onion powder – Adds a subtle sweetness and warmth, rounding out the flavor complexity.
- 1 teaspoon paprika – Contributes a mild smokiness and vibrant color to your in and out sauce.
- 1 teaspoon salt – Enhances all the flavors, bringing everything together harmoniously.
- 1/2 teaspoon black pepper – Offers a gentle kick that elevates the taste without overpowering it.
How to Make in and out sauce
1. Combine Ingredients: In a mixing bowl, combine 1 cup of mayonnaise, 2 tablespoons of ketchup, 2 tablespoons of sweet pickle relish, 1 teaspoon of white vinegar, garlic powder, onion powder, paprika, salt, and black pepper.
2. Whisk Together: Whisk the ingredients together until smooth and well combined. You should see a beautiful blend of colors as the tangy and creamy elements unite.
3. Taste & Adjust: Taste your mixture and adjust the seasoning if necessary. This is your chance to make it just right for your palate!
4. Refrigerate: Refrigerate for at least 30 minutes before serving to allow flavors to meld beautifully together. The wait will be worth it when you take that first bite!
Optional: Serve with fresh herbs on top for an added touch of flavor.
Exact quantities are listed in the recipe card below.
Tips for the Best in and out sauce
- Mayonnaise Quality: Use a high-quality mayonnaise for the best flavor; it serves as the base of your in and out sauce.
- Taste Test: Always taste your sauce before refrigerating. Adjust salt or vinegar to balance the flavors to your preference.
- Pickle Relish Choice: Opt for sweet pickle relish, as it adds the perfect touch of sweetness that complements the tanginess of the sauce.
- Whisk Well: Make sure to whisk thoroughly until smooth; lumps can affect the texture and overall experience of your in and out sauce.
- Chill Time: Allow at least 30 minutes in the fridge for flavors to meld; this step is crucial for a harmonious taste.
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 ensures it stays fresh and flavorful for all your burger nights.
- Freezer: While it’s best enjoyed fresh, you can freeze the sauce for up to 3 months. Use a freezer-safe container, leaving some space for expansion.
- Thawing: To enjoy frozen in and out sauce, thaw it overnight in the fridge. Stir well before serving to restore its creamy texture.
- Avoid Room Temperature: Keep the sauce refrigerated as mayonnaise-based dressings can spoil quickly at room temperature, ensuring you enjoy it safely!
in and out sauce Your Way
Feel free to personalize this creamy delight with these fun twists and swaps that’ll make it uniquely yours!
- Spicy Kick: Add 1 teaspoon of sriracha or hot sauce for a fiery flavor. This twist elevates the classic taste, adding a delightful heat that will tantalize your taste buds.
- Herb Infusion: Mix in 1 tablespoon of finely chopped fresh herbs like parsley or dill. Fresh herbs bring a burst of brightness and depth, making each bite fresh and aromatic.
- Smoky Flavor: Incorporate 1 teaspoon of smoked paprika instead of regular paprika. The smoky essence adds an irresistible depth, perfect for grilled burgers or smoky fries.
- Tangy Twist: Substitute the white vinegar with apple cider vinegar for a slightly sweeter tang. This change infuses a pleasant zing that enhances the overall flavor profile beautifully.
- Sweet & Spicy: Combine 1 tablespoon of honey or maple syrup with a pinch of cayenne pepper. This blend offers a sweet heat that’s deliciously addictive and great for dipping!
- Creamy Avocado: Replace half the mayonnaise with mashed avocado for a healthier, creamy alternative. The avocado adds a smooth texture and rich taste that’s simply divine on sandwiches.
- Vegan Version: Use vegan mayonnaise to create a plant-based version without sacrificing creaminess. This swap makes it accessible for everyone while keeping all the flavor intact.
- Extra Zing: Add an extra teaspoon of garlic powder for an intensified garlicky flavor. This enhancement creates an unforgettable punch, ideal for those who can’t get enough garlic goodness!
Make Ahead Options
This creamy and tangy in and out sauce is perfect for meal prep, making it an ideal choice for busy weeknights or weekend gatherings. You can easily combine the ingredients—1 cup of mayonnaise, 2 tablespoons of ketchup, 2 tablespoons of sweet pickle relish, along with white vinegar, garlic powder, onion powder, paprika, salt, and black pepper—up to 3 days in advance. Simply whisk them together until smooth and well combined, taste to adjust seasoning if necessary, and then refrigerate for at least 30 minutes to let those flavors meld beautifully. To maintain the quality of your in and out sauce, store it in an airtight container; this will ensure it stays fresh for up to a week. When you’re ready to serve, just give it a quick stir and enjoy on your burgers or fries!
in and out sauce Recipe FAQs
What type of mayonnaise is best for this sauce?
Using a good quality mayonnaise, like Duke’s or Hellmann’s, will yield the best flavor and creaminess. If you’re looking for a lighter option, you can try using light or avocado mayonnaise. Just remember that the flavor might be slightly different!
Can I substitute any ingredients in this recipe?
Absolutely! If you want to add a kick, consider mixing in some sriracha or hot sauce. You can also swap the sweet pickle relish for dill relish if you prefer a more tangy flavor. For those watching their sodium intake, low-sodium salt can be used without compromising too much on taste.
How long can I store this sauce in the refrigerator?
This creamy delight can last up to one week in an airtight container in the fridge. Make sure to give it a good stir before serving, as some separation may occur over time.
Is it possible to freeze this sauce?
While it’s not recommended to freeze this sauce due to its mayonnaise base, you can make it fresh and then store it in the fridge for up to 5 days. The texture may change when thawed, which could affect your final dish.
What’s the best way to serve in and out sauce?
This versatile sauce pairs perfectly with burgers, fries, and sandwiches! It adds a delightful creaminess that elevates any meal. Try it as a dipping sauce for crispy veggies or as a spread on your favorite wraps for an extra zing!
How many servings does this recipe yield?
This recipe makes about 4 servings, with each serving containing approximately 150 calories. Perfect for sharing at family gatherings or keeping on hand for quick meals throughout the week!

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 the ingredients 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.





