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One-pan Mediterranean cod is a quick, colorful weeknight dinner. Cod fillets bake with cherry tomatoes, Kalamata and green olives, red onion, garlic and oregano, and the tomatoes burst into a light sauce. Fresh lemon, parsley and dill finish the dish.
Why It Works
Cod’s mild flavor soaks up everything around it. The tomatoes release their juices as they roast, mixing with the olive oil and garlic to make a sauce, and two kinds of olives add both fruity and sharp briny notes. Pat the fillets dry and season them before nestling them into the vegetables. They’re done when they flake easily.
Kosher Notes
This dish is pareve. Cod and halibut are kosher; if you use sea bass, choose black sea bass or branzino rather than Chilean sea bass, whose status is disputed. Use olives with a reliable hechsher.
Leftovers
Leftovers keep for 2 days and are good flaked over a salad. Add red pepper flakes with the garlic for a little heat.

Ingredients
What I use for this recipe
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Method
- Preheat oven to 425°F. Pat cod fillets completely dry with paper towels and season both sides generously with kosher salt and pepper. Let sit at room temperature for 10 minutes.
- Heat 2 tablespoons olive oil in a large oven-safe skillet over medium-high heat. Add red onion and cook for 3-4 minutes until softened. Add garlic and cook for another 30 seconds until fragrant.
- Add cherry tomatoes, both types of olives, oregano, 1/2 teaspoon salt, and pepper to the skillet. Cook for 2-3 minutes, stirring occasionally, until tomatoes start to soften.
- Push vegetables to sides of pan, creating space for the fish. Add remaining 2 tablespoons olive oil to the cleared areas and carefully place cod fillets in the spaces.
- Cook fish without moving for 3-4 minutes until golden brown on the bottom. Flip fillets carefully and transfer the entire skillet to the preheated oven.
- Bake for 6-8 minutes until fish flakes easily with a fork and internal temperature reaches 145°F.
- Remove from oven and immediately drizzle with lemon juice. Sprinkle with fresh parsley and dill before serving.
Notes
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