Baked Cod with Tomato-Olive Relish and Herbs

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Mild cod fillets baked with a vibrant topping of cherry tomatoes, kalamata olives, and fresh herbs for a Mediterranean flair. This mediterranean-inspired seafood (mediterranean) ready in about 28 minutes pairs (5 oz each) cod fillets, olive oil, salt for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 18 min Serves 4 Mediterranean cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F. Lightly grease a baking dish with 1 tbsp olive oil. Pat dry 4 cod fillets (5 oz each) and season both sides with 1 tsp salt and 1/2 tsp black pepper. Place fillets in the baking dish.
  2. Step 2: In a bowl, combine 1 1/2 cups quartered cherry tomatoes, 1/2 cup chopped kalamata olives, 2 minced garlic cloves, 1/4 cup chopped fresh basil, 1 tbsp chopped fresh oregano, 2 tbsp lemon juice, and 2 tbsp olive oil. Stir to combine.
  3. Step 3: Spoon the tomato-olive mixture evenly over the cod fillets. Drizzle remaining 1 tbsp olive oil over everything.
  4. Step 4: Bake uncovered for 15-18 minutes until the fish flakes easily with a fork and topping is bubbling and fragrant. Serve warm with crusty bread or steamed vegetables.

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Frequently asked questions

How long does Baked Cod with Tomato-Olive Relish and Herbs take to make?

Total time is about 28 minutes (10 min prep + 18 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Baked Cod with Tomato-Olive Relish and Herbs?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep (5 oz each) cod fillets from drying out.

Can I substitute ingredients in Baked Cod with Tomato-Olive Relish and Herbs?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Baked Cod with Tomato-Olive Relish and Herbs for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Baked Cod with Tomato-Olive Relish and Herbs?

Mediterranean seafood like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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