Ingredients
- Fish Fillets: 4 (about 6 oz / 170g each), thick, white fish fillets. Approximately 1.5 lbs (680g) total.
- Best Choices: Cod, Halibut, Haddock, Tilapia, Pollock, or Mahi-Mahi work exceptionally well. Choose fillets that are relatively uniform in thickness for even cooking. Ensure they are boneless and skinless (or skin-on if you prefer, but place skin-side down). Patting the fish thoroughly dry is crucial for the coating to adhere properly.
- Mayonnaise: ½ cup (120g)
- Recommendation: Use good quality, full-fat mayonnaise for the best flavour and richness. The oil in the mayo helps conduct heat and contributes to the browning and crisping of the Panko, while the eggs and acidity tenderize the fish and keep it moist. Light mayonnaise can work, but the flavour and browning might be slightly less pronounced. Avoid mayonnaise-style dressings (like Miracle Whip) as their sweetness and different composition can alter the taste and texture significantly.
- Panko Breadcrumbs: 1 cup (75g)
- Why Panko? Japanese-style Panko breadcrumbs have a coarser, airier texture than traditional fine breadcrumbs. This structure allows them to absorb less oil and become much crispier when baked, creating that signature crunch. Do not substitute with fine, dense breadcrumbs if you want the optimal texture.
- Parmesan Cheese: ¼ cup (25g), finely grated (Optional, but highly recommended)
- Flavour Boost: Grated Parmesan adds a salty, umami depth to the crust that complements the fish and mayonnaise beautifully. It also aids in browning. Use freshly grated Parmesan for the best flavour and melting quality. Pre-grated often contains anti-caking agents that can affect texture.
- Lemon: 1 medium
- Usage: You’ll use both the zest (about 1 teaspoon) mixed into the mayonnaise mixture and the juice, squeezed over the fish before serving or used for wedges. Lemon zest provides bright, aromatic citrus notes without adding excess liquid, while the juice cuts through the richness.
- Dijon Mustard: 1 teaspoon (5g) (Optional)
- Tang and Complexity: A small amount of Dijon mustard mixed into the mayonnaise adds a subtle tang and depth that enhances the overall flavour profile. Whole grain or regular yellow mustard can be substituted, but Dijon offers a classic pairing.
- Garlic Powder: ½ teaspoon (1.5g)
- Aromatic Base: Provides a savoury, aromatic foundation for the crust. Ensure your garlic powder is fresh, as old powder loses its potency.
- Onion Powder: ½ teaspoon (1.5g)
- Savoury Depth: Complements the garlic powder, adding another layer of savoury flavour to the coating.
- Paprika: ½ teaspoon (1g)
- Colour and Flavour: Contributes a beautiful golden-reddish hue to the crust and a subtle sweetness. Smoked paprika can be used for a smokier flavour profile if desired.
- Salt: ½ teaspoon (3g), or to taste
- Essential Seasoning: Enhances all the other flavours. Adjust based on personal preference and the saltiness of your Parmesan (if using). Remember to season the fish directly as well as the Panko mixture.
- Black Pepper: ¼ teaspoon (0.5g), freshly ground, or to taste
- Pungency: Adds a touch of warmth and spice. Freshly ground pepper offers superior flavour compared to pre-ground.
- Fresh Parsley: 1 tablespoon, finely chopped (for garnish, optional)
- Freshness and Colour: A sprinkle of fresh parsley at the end adds a pop of colour and a hint of herbaceous freshness. Dill or chives also work well.
- Olive Oil or Cooking Spray: For the baking sheet
- Prevents Sticking: A light coating ensures the fish doesn’t stick to the pan, making cleanup easier and preserving the crust.
Instructions
- Preheat Oven and Prepare Baking Sheet: Adjust your oven rack to the middle position. Preheat the oven to 400°F (200°C). Line a large baking sheet with parchment paper or aluminum foil for easy cleanup. Lightly grease the parchment/foil with olive oil or cooking spray. Preheating is vital – placing the fish into a hot oven helps the crust set quickly and begin crisping immediately.
- Prepare the Fish: Gently rinse the fish fillets under cold water and pat them thoroughly dry with paper towels. This step is critical. Excess moisture will steam the fish from underneath and prevent the mayonnaise and Panko from adhering properly, leading to a soggy bottom and a coating that might slide off. Arrange the dried fillets in a single layer on the prepared baking sheet, ensuring there is some space between each fillet. Overcrowding the pan will also lead to steaming rather than baking and hinder crisping.
- Season the Fish: Lightly sprinkle the fish fillets directly with a pinch of salt and freshly ground black pepper. This ensures the fish itself is seasoned, not just the crust.
- Prepare the Mayonnaise Mixture: In a small bowl, combine the mayonnaise, lemon zest (reserve the lemon for juice later), Dijon mustard (if using), garlic powder, and onion powder. Stir well until everything is thoroughly combined and smooth. This mixture acts as both a flavour enhancer and the “glue” for the Panko crust.
- Prepare the Panko Topping: In a separate shallow dish or bowl (wide enough to easily dip or press the fish into, or just for easy sprinkling), combine the Panko breadcrumbs, grated Parmesan cheese (if using), paprika, the remaining salt (about ¼ to ½ teaspoon, adjust to taste), and black pepper. Mix well with a fork to ensure the seasonings and cheese are evenly distributed throughout the Panko.
- Coat the Fish: Using a spatula or the back of a spoon, spread the mayonnaise mixture evenly over the top and sides of each fish fillet. Be generous but ensure an even layer. You don’t need to coat the bottom.
- Apply the Panko Crust: Sprinkle the Panko mixture generously over the mayonnaise-coated surfaces of the fish fillets. Gently press the Panko crumbs onto the mayonnaise layer with your fingers or the back of a spoon. This helps the crumbs adhere securely and form a cohesive crust during baking. Ensure the tops and sides are well-coated.
- Bake the Fish: Carefully place the baking sheet into the preheated oven. Bake for 12-18 minutes. The exact baking time will depend significantly on the thickness of your fish fillets and the specific performance of your oven.
- Checking for Doneness: The fish is cooked through when it is opaque and flakes easily when gently prodded with a fork at the thickest part. The internal temperature should reach 145°F (63°C) on an instant-read thermometer. The Panko crust should be golden brown and crispy.
- Optional Broiling (for Extra Crispiness): If the fish is cooked through but you desire a deeper golden brown and crispier crust, you can switch the oven setting to broil (high heat) for the last 1-2 minutes. Watch it constantly during this stage, as the Panko can go from golden to burnt very quickly under the intense heat of the broiler. Keep the oven door slightly ajar and remove the fish as soon as it reaches your desired level of browning.
- Rest and Serve: Once cooked, remove the baking sheet from the oven. Let the fish rest for a minute or two on the baking sheet. This allows the juices to redistribute slightly. Carefully transfer the fillets to serving plates using a thin spatula. Squeeze fresh lemon juice over the fish just before serving for a burst of brightness. Garnish with chopped fresh parsley, if desired.
Nutrition
- Serving Size: One Normal Portion
- Calories: 350 - 480