British Fish Pie With Smoked Salmon, Shrimp, And Mashed Potatoes Recipe

Name: British Fish Pie With Smoked Salmon, Shrimp, And Mashed Potatoes Recipe
Prep time: 10 min
Cook time: 120 min
Total time: 130 min
Yield: 6
Ingredients: For the Smoked Salmon (see note):; 1/2 cup (100g) sugar; 1 tablespoon (15g) Diamond Crystal kosher salt; 2 teaspoons (10g) freshly ground black pepper; 2 teaspoons (10g) mustard powder; 2 teaspoons (10g) freshly grated lemon zest (from about 1 large lemon); 1 pound (450g) skin-on boneless salmon fillets (you will need only 1/2 pound for the pie, so you'll have plenty left over); 3 cups wood chips or pellets; For the Filling and Topping:; 1/2 pound (225g) medium to large shrimp, peeled and deveined; 1/8 teaspoon baking soda; Kosher salt; 4 tablespoons (60g) unsalted butter, plus 2 more tablespoons (30g) if using panko, plus more for buttering baking dish; 2 medium leeks, white and light green parts only, washed and finely chopped (8 ounces; 225g after trimming); 1/3 cup all-purpose flour (1 1/2 ounces; 40g); 1/2 cup (120ml) dry white wine; 1 cup (240ml) whole milk; 1 cup (240ml) heavy cream; 1/4 cup (16g) chopped flat-leaf parsley leaves and tender stems; 3 tablespoons (10g) minced chives; 2 oil-packed anchovy fillets, finely chopped; Freshly ground black pepper; 1 pound (450g) cod or other firm, white-fleshed fish fillets (such as halibut, hake, or pollack), skinned, deboned, and cut into 1 1/2–inch chunks; 1/2 recipe Ultra-Fluffy Mashed Potatoes , made with only 1/2 cup (120ml) milk total; 1/2 cup (30g) panko bread crumbs (optional)