Ingredients
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- Cod Fillets: The star of the dish, cod provides a mild, flaky white fish that is perfect for showcasing the pistachio crust and lemon butter sauce. Fresh cod fillets are highly recommended for the best flavor and texture. Look for thick, skinless, boneless cod fillets that are firm and have a fresh, clean scent. Pacific cod or Atlantic cod are both excellent choices. If fresh cod is not available, frozen cod fillets can be used. Ensure they are fully thawed and patted dry with paper towels to remove excess moisture before preparing. You’ll need about 4 cod fillets, each approximately 6-8 ounces in size. Other white fish fillets like haddock, halibut, or sea bass can also be substituted, though the cooking time may need to be adjusted slightly depending on the thickness of the fish.
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- Pistachios: Pistachios are the heart of the flavorful crust, providing a unique nutty taste, vibrant green color, and satisfying crunch. Shelled, roasted, and salted pistachios are the most convenient option. If you can only find raw pistachios, you will need to roast them yourself in a dry pan or oven until lightly toasted and fragrant, then shell them. Unsalted pistachios can be used, but you may need to adjust the seasoning by adding a pinch more salt to the crust mixture. Avoid using pre-flavored pistachios. You’ll need about 1 cup of shelled pistachios. For a finer crust, you can use a food processor to pulse the pistachios into coarse crumbs. For a chunkier crust, roughly chop them by hand.
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- Panko Breadcrumbs: Panko breadcrumbs are Japanese-style breadcrumbs that are larger and flakier than traditional breadcrumbs, providing an extra crispy and light texture to the crust. Plain panko breadcrumbs are recommended. Italian seasoned panko breadcrumbs can be used for added flavor, but be mindful of the salt content and adjust seasoning accordingly. If panko is unavailable, regular breadcrumbs can be used as a substitute, but the crust may be slightly less crispy. You’ll need about ½ cup of panko breadcrumbs.
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- Grated Parmesan Cheese: Parmesan cheese adds a savory, salty, and umami-rich flavor to the pistachio crust, as well as helping to bind the crust ingredients together. Freshly grated Parmesan cheese is preferred for the best flavor and texture. Pre-grated Parmesan cheese can be used for convenience, but freshly grated will melt and incorporate into the crust more smoothly. Pecorino Romano cheese can be used as a substitute for a sharper, saltier flavor. You’ll need about ¼ cup of grated Parmesan cheese.
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- Fresh Lemon: Lemon is essential for both the crust and the sauce, providing a bright, zesty, and acidic counterpoint to the richness of the pistachios and butter. You’ll need 1-2 fresh lemons. You will use the lemon zest for the pistachio crust and the lemon juice for the lemon butter sauce. Always use fresh lemon juice for the best flavor, as bottled lemon juice can taste artificial.
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- Butter: Butter is the foundation of the luscious lemon butter sauce, providing richness, flavor, and a silky smooth texture. Unsalted butter is recommended so you can control the salt level of the sauce. Salted butter can be used, but you may need to reduce or omit added salt in the sauce. You’ll need about ½ cup (1 stick) of butter, divided between the crust and the sauce. For a dairy-free option, you can use a plant-based butter alternative, but the flavor may be slightly different.
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- Olive Oil: Olive oil is used to sauté the garlic and provides healthy fats and flavor to the dish. Extra virgin olive oil is recommended for its superior flavor, but regular olive oil can also be used. You’ll need about 2 tablespoons of olive oil.
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- Garlic: Garlic adds a pungent and aromatic base flavor to both the pistachio crust and the lemon butter sauce, complementing the other flavors beautifully. Fresh garlic is preferred for the best flavor. Mince the garlic finely for even distribution. You’ll need about 2-3 cloves of garlic. Garlic powder can be used as a substitute in a pinch, but fresh garlic is highly recommended.
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- Fresh Parsley (Optional): Fresh parsley adds a pop of color and a fresh, herbaceous note to the dish, especially as a garnish. Freshly chopped parsley is used for garnish. Italian parsley or curly parsley can be used. This is optional but recommended for visual appeal and a touch of freshness.
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- Dried Thyme (Optional): Dried thyme adds a subtle earthy and slightly minty flavor that complements the pistachios and lemon. Dried thyme leaves are used in the pistachio crust. Fresh thyme can be used as a substitute; use about 1 teaspoon of fresh thyme leaves. This is optional, but it adds a nice layer of flavor.
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- Salt and Black Pepper: Essential seasonings to enhance all the flavors in the dish. Kosher salt or sea salt is recommended. Freshly ground black pepper provides the best flavor. Season to taste throughout the cooking process.
Instructions
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- Prepare the Pistachios: If using roasted and salted pistachios, you can proceed directly to chopping or pulsing them. If using raw pistachios, toast them first. To toast pistachios, spread them in a single layer on a baking sheet and bake at 350°F (175°C) for 5-7 minutes, or until lightly golden and fragrant. Let them cool slightly, then shell them if necessary. Once shelled and roasted (if needed), roughly chop the pistachios by hand for a chunkier crust, or pulse them in a food processor for coarser crumbs. Be careful not to over-process into a paste. Set aside.
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- Make the Pistachio Crust: In a medium bowl, combine the chopped or pulsed pistachios, panko breadcrumbs, grated Parmesan cheese, lemon zest (from 1 lemon), 1 tablespoon of melted butter, dried thyme (if using), salt, and black pepper. Mix all ingredients thoroughly until well combined. Use your fingers to break up any clumps and ensure the mixture is evenly distributed. The crust mixture should be slightly crumbly but hold together when pressed.
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- Prepare the Cod Fillets: Pat the cod fillets completely dry with paper towels. Season both sides of each fillet generously with salt and black pepper. Drying the fish is crucial for the crust to adhere properly and for achieving a nice sear if pan-searing before baking (optional, but recommended for extra flavor and texture).
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- Apply the Pistachio Crust: Place the cod fillets on a baking sheet lined with parchment paper or foil. Spoon the pistachio crust mixture evenly over the top of each cod fillet, pressing gently to help it adhere. You want to create a thick, even layer of the pistachio crust on top of the fish.
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- Cook the Cod (Bake or Pan-Sear and Bake):
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- Baking Method (Simpler): Preheat oven to 400°F (200°C). Bake the pistachio-crusted cod in the preheated oven for 12-15 minutes, or until the cod is cooked through and flakes easily with a fork and the pistachio crust is golden brown and crispy. The cooking time will depend on the thickness of your cod fillets. Start checking for doneness at 12 minutes.
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- Pan-Sear and Bake Method (Enhanced Flavor & Texture): Heat 1 tablespoon of olive oil in a large oven-safe skillet (cast iron or stainless steel works well) over medium-high heat. Once the oil is hot, carefully place the pistachio-crusted cod fillets in the skillet, crust-side down. Sear for 2-3 minutes, or until the crust is golden brown and crispy. Do not move the fish around while searing to allow the crust to brown properly. Transfer the skillet to the preheated 400°F (200°C) oven and bake for another 8-10 minutes, or until the cod is cooked through and flakes easily with a fork. Pan-searing the crust first adds extra flavor and crispiness.
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- Cook the Cod (Bake or Pan-Sear and Bake):
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- Make the Lemon Butter Sauce: While the cod is baking, prepare the lemon butter sauce. In a small saucepan, melt the remaining ½ cup of butter over medium heat. Add the minced garlic and sauté for about 1 minute, until fragrant but not browned. Be careful not to burn the garlic. Pour in the fresh lemon juice (from 1 lemon) and season with salt and black pepper to taste. Bring the sauce to a gentle simmer and cook for 2-3 minutes, allowing the flavors to meld together and the sauce to slightly reduce. Taste and adjust seasoning as needed.
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- Serve: Remove the pistachio-crusted cod from the oven or skillet. Spoon the lemon butter sauce generously over the cod fillets. Garnish with fresh chopped parsley and lemon wedges, if desired. Serve immediately while hot and crispy.
Nutrition
- Serving Size: one normal portion
- Calories: 450-550 kcal
- Sugar: 1-2g
- Sodium: 400-600mg
- Fat: 25-35g
- Saturated Fat: 10-15g
- Carbohydrates: 10-15g
- Fiber: 2-3g
- Protein: 40-45g
- Cholesterol: 150-200mg