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Homemade burger sauce on a double cheeseburger.

Burger Sauce Recipe

This easy homemade burger sauce tastes just like In-N-Out’s famous spread—but better! It comes together in 5 minutes with just 4 simple ingredients. Perfect for burgers, fries and more!
4.50 from 2 votes
Prep Time 5 minutes
Cook Time 0 minutes
Total Time 5 minutes

Ingredients  

  • 1/2 cup mayonnaise
  • 3 Tablespoons sweet pickle relish 
  • 1 1/2 Tablespoons ketchup
  • 2 teaspoons apple cider vinegar

Instructions 

  • In a small bowl, whisk together the mayonnaise, sweet pickle relish, ketchup, and apple cider vinegar with 1/4 teaspoon kosher salt and a pinch of black pepper. 
  • Serve immediately or store in an air-tight container in the fridge for up to 1 week. 

Notes

  • Make it a meal! This burger sauce was made for my Smash Burgers and pairs perfectly with a side of Crispy Homemade French Fries.
  • Customize it: Prefer it spicier? Stir in a little hot sauce or a pinch of cayenne. Want it smokier? Try swapping ketchup for barbecue sauce.
  • ★ Did you make this recipe? Don't forget to give it a star rating below!