| 1 cup | mayonnaise |
| ¼ cup | Dijon mustard |
| 2 tablespoons | prepared horseradish |
| 2 tablespoons | chopped parsley |
| 1 | small shallot, minced |
| 1 | garlic clove, minced |
| 1 tablespoon | white wine vinegar |
| 1 teaspoon | fresh lemon juice |
| 1 teaspoon | Louisiana hot sauce |
| ½ teaspoon | paprika |
| ¼ teaspoon | cayenne pepper |
| ¼ teaspoon | garlic powder |
| kosher salt, to taste |