In-N-Out Sauce

5 from 1 vote

Make this copycat In-N-Out Sauce at home using my easy recipe. Use it over burgers, sandwiches, pizzas, and burritos.

Here are some more homemade sauce recipes: Asian Zing Sauce, Lemon Herb Tahini Sauce, Bang Bang Sauce, Cilantro Garlic Sauce, and Hibachi Mustard Sauce.

In and out sauce served in a bowl.
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During our stay in LA, we used to go to In-N-Out multiple times a month. For Mohit and I, their super cheap and yet very delicious burgers pulled us to the chain on repeat; for Bhavye, it was the outlet’s location. The one near to us was just next to the LAX airport. Bhavye would sit on the bench, watch airplanes land, and take off for hours.

What made In and out burgers so delicious was their secret sauce. After trying it multiple times at home, I have a recipe similar to the sauce used in the fast-food chain.

About This Recipe

In-N-Out Burger Sauce is a signature sauce used by the fast food chain In-N-Out Burger. It is often referred to as “spread” and is one of the keys to their signature flavor. 

The recipe is a secret but often compared to Thousand Island dressing. It is a mix of mayonnaise, ketchup, sweet pickle relish, Worcestershire sauce, and other ingredients. This sauce is typically served with their burgers and fries.

Since they don’t sell their secret sauce, the only way to enjoy it without going to the outlet is to make it yourself!

Ingredients

Mayonnaise – It makes the base of the sauce. Use full-fat mayonnaise for the best taste.

Ketchup – It gives a nice tang to the sauce.

Others – You will also need sweet pickle relish, white vinegar, granulated white sugar, plain paprika, mustard, and salt.

How To Make In And Out Sauce

Combine the following ingredients in a mixing bowl.

  • ½ cup of mayonnaise
  • 3 tablespoons of ketchup
  • 2 tablespoons of sweet pickle relish
  • 1 and ½ teaspoons of distilled white vinegar
  • 1 and ½ teaspoons of granulated white sugar
  • ½ teaspoon of paprika
  • ¼ teaspoon of mustard
  • A pinch of salt
All the ingredients added to a bowl.

Stir until well mixed.

Cover the bowl and refrigerate for at least an hour before serving to allow the flavors to meld together.

Use as desired!

Ready in and out sauce.

Variations

Add some hot sauce, cayenne pepper, or red pepper flakes to the recipe to give it a spicy kick.

Add more sugar or some honey to make it sweeter.

To make it creamier, add some unsweetened whipping cream.

Replace the mayonnaise in the original recipe with vegan mayonnaise to make it vegan-friendly.

Add some smoked paprika to give it a smoky flavor.

Mix in some BBQ sauce with the original recipe to give it a BBQ flavor.

Add minced garlic or garlic powder to the recipe for a garlicky twist.

Usage Ideas

The most obvious way to use In-N-Out copycat sauce is as a topping for a homemade burger. It adds a tangy, sweet, savory flavor that complements the meat.

Spread it on a grilled cheese sandwich, pizza, wrap, or burrito for a twist on the classic.

It’s also excellent as a dip for raw vegetables, French fries, sweet potato fries, or onion rings.

Use it as a marinade for grilled or baked chicken.

Mix it with vinegar and use it as a salad dressing.

Drizzle over fish tacos, hot dogs, roasted vegetables, etc, for a tangy zip.

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Make this copycat In And Out Sauce at home using my easy recipe. Use it over burgers, sandwiches, pizzas, and burritos.
5 from 1 vote

In-N-Out Sauce Recipe

Make this copycat In-N-Out Sauce at home using my easy recipe. Use it over burgers, sandwiches, pizzas, and burritos.
Prep: 2 minutes
Cook: 2 minutes
Resting Time: 1 hour
Total: 1 hour 4 minutes
Servings: 8 people

Ingredients 

  • ½ cup mayonnaise
  • 2 tablespoons ketchup
  • 2 tablespoons sweet pickle relish
  • 1 and ½ teaspoons distilled white vinegar
  • 1 and ½ teaspoons granulated white sugar
  • ½ teaspoon paprika
  • ¼ teaspoon mustard
  • 1 pinch salt
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Just enter your email and get it sent to your inbox! Plus you’ll get new recipes from us every week!
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Instructions 

  • Combine all the ingredients in a mixing bowl.
  • Stir until well mixed.
  • Cover the bowl and refrigerate for at least an hour before serving to allow the flavors to meld together.
  • Use as desired!

Nutrition

Calories: 107kcal, Carbohydrates: 3g, Protein: 0.2g, Fat: 11g, Saturated Fat: 2g, Polyunsaturated Fat: 6g, Monounsaturated Fat: 2g, Trans Fat: 0.03g, Cholesterol: 6mg, Sodium: 160mg, Potassium: 17mg, Fiber: 0.1g, Sugar: 3g, Vitamin A: 136IU, Vitamin C: 0.2mg, Calcium: 2mg, Iron: 0.1mg
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