Mix together using a spoon or whisk until completely combined.
Optionally adjust any seasonings with salt and pepper.
Notes
Chef Notes:Make-Ahead: You can make this up to 3 days ahead of time.How to Store: Cover and keep in the refrigerator for up to 7-10 days.Use raw prepared horseradish, do not use creamy horseradish sauce.You can substitute out the garlic with garlic powder or granules.Any mustard ground from whole seeds will do, but if you can find creole mustard then all the better.Feel free to use any Cajun seasoning blend. I used my homemade blend from my jambalaya recipe.