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Homemade In-N-Out sauce in a small white bowl with a spoon dipped in it.
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5 from 1 vote

In-N-Out Sauce (Copycat)

Learn how to make the best In-N-Out sauce at home. This copycat recipe is quick and easy and is great for adding a creamy, tangy flavor to burgers, fries, veggies, and more!
Prep Time5 minutes
Total Time5 minutes
Course: Condiment
Cuisine: American
Diet: Vegetarian
Freezer friendly: No
Shelf life: 2 Weeks
Servings: 18
Author: Samira

Ingredients

  • 1 cup mayonnaise
  • 1/3 cup ketchup
  • 1/4 cup sweet pickle relish
  • 1 Tbsp white sugar
  • 1 Tbsp white vinegar
US Customary - Metric

Instructions

  • Combine all the ingredients in a bowl (or directly in a jar or glass container). Stir everything together until well mixed. Taste and adjust the seasoning as needed.
  • Transfer the In-N-Out sauce to a jar or glass container and refrigerate for 30-60 minutes before serving.

Video

Notes

To store: Keep the sauce in an airtight container in the refrigerator for up to 2 weeks. As it tastes even better after the flavors have had time to meld, you can prepare it a day or two in advance.
Check the blog post for serving suggestions!

Nutrition

Serving: 1.5 Tbsp | Calories: 98kcal | Carbohydrates: 3g | Protein: 0.2g | Fat: 9g | Saturated Fat: 1g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 2g | Trans Fat: 0.02g | Cholesterol: 5mg | Sodium: 149mg | Potassium: 16mg | Fiber: 0.1g | Sugar: 3g | Vitamin A: 73IU | Vitamin C: 0.2mg | Calcium: 2mg | Iron: 0.1mg