Baked Lemon-Oregano Cod with Roasted Vegetables

By AislePrompt Editorial · Published 2026-06-11 · Updated 2026-06-11

Flaky cod fillets baked with bright lemon and oregano, served alongside oven-roasted Mediterranean vegetables. This Greek-inspired seafood recipe (gluten free), ready in about 35 minutes, pairs cod fillets, lemon juice, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. 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.

Ingredients

• 4 pieces, 6 oz each cod fillets
• 3 tbsp lemon juice
• 4 tbsp olive oil
• 1 1/2 tsp dried oregano
• 3 minced garlic cloves
• 1 tsp salt
• 3/4 tsp black pepper
• 1 medium, sliced into 1/2-inch rounds zucchini
• 1 large, cut into 1-inch pieces red bell pepper
• 1 medium, cut into wedges red onion
• 1 cup cherry tomatoes
• 2 tbsp chopped fresh parsley

Chef’s knives that make the prep fast → Best Chef's Knives for 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Preheat oven to 400°F. In a small bowl, whisk together 3 tbsp lemon juice, 4 tbsp olive oil, 1 1/2 tsp dried oregano, 3 minced garlic cloves, 1 tsp salt, and 3/4 tsp black pepper.
2. Step 2: Arrange 4 cod fillets in a baking dish. Pour half of the lemon-oregano mixture over fish, coating evenly.
3. Step 3: In a separate bowl, toss 1 sliced zucchini, 1 chopped red bell pepper, 1 wedged red onion, and 1 cup cherry tomatoes with remaining lemon-oregano mixture.
4. Step 4: Spread vegetables around the cod fillets in the baking dish. Bake uncovered for 18-20 minutes until fish is opaque and flakes easily with a fork.
5. Step 5: Garnish with 2 tbsp chopped fresh parsley before serving warm.