Start by collecting all your ingredients.

In a mixing bowl, add the mayonnaise and ketchup.

Stir in the Dijon mustard.

Add the garlic powder and onion powder to the mixture.

Sprinkle in a pinch of salt and pepper.

Use a whisk or spoon to mix everything until smooth.

Give the sauce a taste and adjust the seasoning if needed.

Transfer the sauce into a storage container.

Refrigerate for at least 30 minutes to let the flavors meld together.