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The Best Smash Burger Special Sauce (Copycat Style)

A close-up of creamy, orange-pink burger sauce speckled with spices, served in a white ramekin, with a blurred burger in the background.

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Make restaurant-quality smash burger sauce at home using simple pantry ingredients. This creamy, tangy spread elevates your burgers, fries, and sandwiches instantly.

Ingredients

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  • 1/2 cup Mayonnaise
  • 2 tablespoons Ketchup
  • 1 tablespoon Yellow Mustard
  • 2 tablespoons Sweet Pickle Relish
  • 1 teaspoon White Vinegar
  • 1/2 teaspoon Onion Powder
  • 1/4 teaspoon Garlic Powder

Instructions

  1. Gather all your ingredients in a small bowl.
  2. Add the mayonnaise, ketchup, yellow mustard, sweet pickle relish, white vinegar, onion powder, and garlic powder to the bowl.
  3. Whisk the ingredients together until the sauce is completely smooth and uniform in color.
  4. Cover the bowl and refrigerate the sauce for at least 30 minutes before serving. This allows the flavors to blend properly.
  5. Use this homemade special sauce generously on your smash burgers, as a dip for fries, or on any sandwich.

Notes

  • For a spicier version, add a dash of cayenne pepper or a few drops of hot sauce.
  • If you prefer a less sweet sauce, reduce the amount of pickle relish slightly.
  • Chill time is important; the flavor improves significantly after chilling for an hour or more.

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