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In-N-Out Sauce Recipe

  • Author: Michelle Minnaar
  • Total Time: 5 minutes
  • Yield: 6 portions 1x
  • Diet: Vegetarian


Learn how to make In-N-Out Sauce. This classic sauce is quick and easy to prepare and goes well with burgers and fries.


  • 125ml (½ cup) mayonnaise
  • 45ml (3 tbsp) ketchup
  • 30ml (2 tbsp) sweet pickle relish
  • 6g (1½ tsp) sugar
  • 7.5ml (1½ tsp) white vinegar


  1. Place all the ingredients in a medium-sized bowl and stir until all the ingredients are well incorporated. 
  2. For best results, cover and chill in the fridge for at least an hour before serving. 


  • This recipe is also known as In-N-Out Burger Spread or In-N-Out Burger Sauce. As you guessed, this is used in In-N-Out’s famous burger and as a topping for its Animal Fries. 
  • Prep Time: 5 minutes
  • Cook Time: 0 minutes
  • Category: Sauce
  • Method: Mix
  • Cuisine: American

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