In a mixing bowl, combine 1 cup of mayonnaise, 2 tablespoons of sweet pickle relish, and 2 tablespoons of ketchup.
Add 2 teaspoons of Dijon mustard to the mixture.
Stir in ½ teaspoon of Montreal steak seasoning and ½ teaspoon of smoked paprika.
Add ¼ teaspoon of Worcestershire sauce for depth of flavor.
Mix everything together until smooth and fully incorporated.
Taste and adjust seasonings as desired (you can add more mustard or relish for extra tang).
Serve immediately on your favorite burgers or store in the fridge for later use.