In a medium bowl, combine all the marinade ingredients. Mix to combine.
1 tablespoons freshly grated horseradish, 3 cloves garlic, 1 tablespoon fresh chopped dill, 3 teaspoons country dijon mustard, 3/4 teaspoon kosher salt, 1/2 teaspoon freshly ground black pepper, 3/4 teaspoon harissa powder, 2 tablespoons extra virgin olive oil