01 - Combine all ingredients in a small bowl. Stir until fully combined.
02 - Refrigerate for 30 minutes.
03 - Stir and taste, then adjust seasoning. Depending on your cajun seasoning brand, you may want to add an extra pinch of spice or salt. Same with the horseradish, which can vary widely in heat level.
# Notes:
01 - Serve as a dipping sauce with fried shrimp, chicken nuggets, or Parmesan truffle fries.
02 - Use as a sauce for blackened grouper sandwiches.
03 - Can be used as a sweet and spicy honey mustard salad dressing.