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Easy In N Out Sauce Recipe – Make the Famous Spread at Home

In-N-Out sauce in white bowl with golden french fries and wooden spoon
This creamy In-N-Out sauce is the perfect copycat recipe that tastes just like the original!
Close-up of finger dipping into creamy In-N-Out sauce showing thick consistency
Look at that perfect creamy texture – just like the restaurant version!

Craving that famous In-N-Out sauce? This easy copycat recipe uses just 5 simple ingredients and takes only 5 minutes to make! The perfect blend of creamy mayonnaise, tangy ketchup, and sweet pickle relish creates that iconic flavor you love.

Whether you’re making burgers at home or just want the perfect dipping sauce for your fries, this homemade version tastes just like the original. Mix it up, chill it for 30 minutes, and enjoy that West Coast favorite wherever you are!

Ingredients for In-N-Out sauce including mayonnaise, ketchup, sweet pickle relish, vinegar and sugar
All you need are five simple pantry ingredients to make this amazing sauce!

How To Make In-N-Out Sauce

Step 1. In a medium sized bowl, combine the mayonnaise, ketchup, relish, vinegar & sugar. I like to whisk everything together until it’s completely smooth and creamy – this ensures all those flavors blend perfectly together for that authentic In-N-Out taste.

Hand holding blue measuring spoon with sugar over ingredients for In-N-Out sauce
Step 1: Measure the sugar carefully to get that perfect sweet and tangy balance.
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Step 2. Chill for 30 minutes. This step is really important because it allows all the flavors to meld together and gives the sauce that perfect consistency. Trust me, it’s worth the wait!

White bowl showing ketchup and pickle relish being combined with mayonnaise
Step 2: Mix all ingredients together until you have a smooth, creamy sauce.
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Step 3. Serve with burgers and fries. This sauce is absolutely perfect for dipping fries, spreading on burgers, or even using as a salad dressing. Store any leftovers in the refrigerator for up to a week.

Finished In-N-Out sauce in white bowl with smooth creamy texture and wooden spoon
Step 3: The sauce should be perfectly smooth and creamy after mixing.
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In-N-Out sauce in white bowl surrounded by golden french fries on slate board
Serve this delicious sauce with your favorite burgers and fries!
In-N-Out sauce in white bowl with golden french fries and wooden spoon

In-N-Out Sauce

This easy In-N-Out sauce copycat recipe combines mayonnaise, ketchup, and sweet pickle relish for that famous West Coast burger sauce flavor.
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Prep Time 5 minutes
Total Time 35 minutes
Course Side Dish
Cuisine American
Servings 8 servings

Ingredients
  

  • ⅓ cup mayonnaise
  • 3 tablespoons ketchup
  • 2 tablespoons sweet pickle relish
  • 2 teaspoons white distilled vinegar
  • 1⅓ teaspoons sugar

Instructions
 

  • In a medium sized bowl, combine the mayonnaise, ketchup, relish, vinegar & sugar.
  • Chill for 30 minutes.
  • Serve with burgers and fries.
Keyword burger sauce, copycat sauce recipe, fry sauce, homemade special sauce, thousand island sauce
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Final presentation of In-N-Out sauce with french fries and red checkered napkin
Now you can enjoy that famous In-N-Out flavor right at home!

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