If you love restaurant copycats, you will flip for this In N Out sauce recipe! It makes a creamy, tangy hamburger sauce that tastes just like the restaurant’s! This homemade condiment is fantastic on club sandwiches or as a dip for french fries, sausage balls, and so much more.
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Why This Sauce Is So Popular
In N Out restaurant is known for its delicious fast food menu items. Their burgers and loaded animal-style fries have earned them a solid fan base. But one of the things that draws people into the fast food chain is the creamy burger sauce!
The great news is that it’s easy to make it at home with our easy copycat recipe!
Everyone knows that hamburgers and turkey burgers taste best when served on a perfect hamburger bun and piled high with condiments and toppings.
Do you like making restaurant copycat recipes?
If so, you might want to make a copycat of Carbone’s spicy rigatoni for dinner.
For lunch, try our Panera green goddess salad. You can serve it with a Starbucks iced brown sugar oat milk shaken espresso!
Ingredient Notes and Substitutions
- Mayonnaise – This creates a creamy and smooth consistency.
Substitutes: You can use an equal amount of light mayo, sour cream, or plain Greek yogurt. However, the difference in flavor will be noticeable. - Sweet pickle relish – This adds a sweet and tangy flavor that balances the richness of mayo.
Substitutes: If you don’t have any sweet relish, finely chop up a few bread and butter pickles or use dill relish as an easy recipe swap.
How to Make In N Out Sauce
- Mix the ingredients with a whisk.
Whisking will help you combine everything completely, which creates a creamier consistency. - Taste, then adjust the ingredients if necessary.
You can adjust the sweetness or tanginess using more sweet pickle relish or vinegar or use spicy flavor enhancers, like Tabasco sauce, spicy paprika, or cayenne pepper. - Then chill before serving.
I highly recommend covering the bowl with plastic wrap and refrigerate the for at least 1 hour before serving. This allows time for the flavors to develop.
Other Uses For Hamburger Sauce
- As a Dip
In and Out sauce for burgers tastes fantastic as a dip for sausage balls, French fries, onion rings, or raw veggies. The sweet and tangy flavors go well with fish and chicken tenders! - Sandwich Spread
It’s super tasty as a spreadable condiment for sandwiches. Try it on our Italian sliders! - Salad Dressing
It works well as a dressing for a cobb salad, or it can be used instead of mayo in a cold pasta or potato salad.
Frequently Asked Questions
This will last in the fridge for up to 1 week if stored properly in an airtight container.
Although they look very similar, they aren’t identical. The burger sauce recipe includes vinegar, which gives it a tangier flavor. Also, Thousand Island salad dressing is thicker.
Consider these Condiments and Sauces…
If you tried making our in n out sauce recipe or any other recipe on my website, please leave a 🌟 star rating and let me know how it went in the 📝 comments below. Thanks for visiting!
In n Out Sauce
Equipment
- medium bowl
- wire whisk
Ingredients
- ½ cup mayonnaise or light mayo
- 3 tablespoons ketchup
- 2 tablespoons sweet pickle relish or minced sweet pickles
- ½ tablespoon distilled white vinegar
- 1 teaspoon sugar
Instructions
- Measure all of the ingredients into a medium sized bowl. Stir the ingredients with a wire whisk until smooth, creamy, and well combined.
- For the best flavor, cover with plastic wrap and refrigerate for at least 1 hour before serving.
- Refrigerate any leftovers in an airtight container, and use within 7 days.
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