Blackened Fish Sandwiches with Horseradish Tartar Sauce

Name: Blackened Fish Sandwiches with Horseradish Tartar Sauce
Cook time: 20 min
Total time: 20 min
Cuisine: American, Mediterranean
Ingredients: 0.25 cup mayonnaise; 0.25 cup sour cream; 3 tablespoons minced shallot (from 1 medium shallot); 2 tablespoons minced fresh flat-leaf parsley; 1.5 tablespoons drained prepared horseradish; 1.5 tablespoons fresh lemon juice; 1.5 tablespoons minced cornichons (about 4 small cornichons); 1 tablespoon drained capers, chopped; 0.25 teaspoon kosher salt; 0.25 teaspoon black pepper; 1 teaspoon hot paprika; 1 teaspoon garlic powder; 1 teaspoon minced fresh oregano; 1 teaspoon minced fresh thyme; 1 teaspoon kosher salt; 0.5 teaspoon black pepper; 4 (4- to 5-ounce) skinless haddock fillets (about 3/4 inch thick); 0.25 cup plus 2 teaspoons unsalted butter, divided; 4 brioche hamburger buns, split; 1 tablespoon canola oil; Butter lettuce leaves, for serving

Instructions

Cook:20min

These Blackened Fish Sandwiches with Horseradish Tartar Sauce from Justin Chapple seared, spiced haddock fillets and a spicy dressing of homemade tartar sauce.

Updated at: Fri, 28 Aug 2026 00:06:13 GMT