
Copycat In-N-Out Sauce
Ingredients
- 1/2 cup mayonnaise)
(reduced fat or regular
- 3 TBS ketchup
- 1 tsp yellow mustard
- 1 tsp white vinegar
- 2 ½ TBS sweet pickle relish
- dash of salt
- dash of black pepper
Directions
- 1
Using a medium bowl, add all the ingredients. Whisk well to combine.
- 2
Cover and refrigerate for 30 minutes.
- 3
Serve and enjoy!

Copycat In-N-Out Sauce
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Ratings & Reviews
Based on 15 ratings
Rating Breakdown
About this Recipe
Craving that iconic, tangy, and utterly irresistible spread from your favorite burger joint? Now you can easily make your own Copycat In-N-Out Sauce at home! This recipe lets you capture the famous flavor you love, perfect for slathering on burgers or dipping crispy fries.
Why This Recipe Works
This copycat recipe perfectly balances creamy, sweet, and tangy notes that mimic the original with remarkable accuracy. It relies on a simple blend of pantry staples you likely already have on hand, making it incredibly easy to whip up. The true genius lies in its simplicity, requiring minimal effort for maximum flavor payoff and allowing the ingredients to meld into a cohesive, delicious sauce.
What to Expect
You'll get a vibrant, creamy sauce with a delightful pinkish-orange hue. The texture is smooth, yet punctuated by the finely diced sweet pickle relish, adding a pleasant slight crunch and bursts of flavor. Each spoonful offers a harmonious blend of creamy richness from the mayonnaise, a bright tang from the ketchup and vinegar, and a subtle savory kick from the mustard, salt, and pepper. It's a remarkably versatile sauce that tastes just like the real deal, ready to elevate any meal.
Customization & Variations
Feel free to adjust the amount of sweet pickle relish to your preference; more relish will enhance the sweet-tangy crunch. You can easily use either reduced-fat or regular mayonnaise, depending on your dietary preferences, without compromising the overall flavor. For a touch of heat, a tiny pinch of cayenne pepper or a dash of hot sauce can be stirred in.
Serving & Context
This versatile sauce is a must-have alongside classic burgers and hot, crispy french fries. It also makes an excellent dipping sauce for chicken tenders, a delightful spread for sandwiches, or a zesty addition to wraps and potato salads. Serve it chilled to fully appreciate its balanced flavors.






