Baked Lemon-Herb Cod with Roasted Vegetables
A simple, flavorful fish dish with lemon and herbs, paired with roasted vegetables that are gentle on the digestive system and support overall wellness during your Whole30. This Mediterranean-inspired seafood recipe, ready in about 30 minutes, pairs cod fillet, lemon, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 300 calories and feeds 2, 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.
Ingredients
- 6 oz cod fillet
- 1 lemon
- 1 tbsp olive oil
- 1 tsp dried oregano
- 1/4 tsp garlic powder
- 1/4 tsp sea salt
- 1/8 tsp black pepper
- 1 cup broccoli
- 1 cup bell peppers
- 1/2 cup cherry tomatoes
Sheet pans that don’t warp in a hot oven → Best Sheet Pans in 2026: Top Picks + Buying Guide
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
- Step 2: Place 6 oz cod fillet on the prepared baking sheet, then top with 1 lemon slice, 1 tbsp olive oil, 1 tsp dried oregano, 1/4 tsp garlic powder, 1/4 tsp sea salt, and 1/8 tsp black pepper; arrange lemon slices around the fish.
- Step 3: Arrange 1 cup broccoli florets, 1 cup sliced bell peppers, and 1/2 cup cherry tomatoes around the fish on the baking sheet.
- Step 4: Bake for 12-15 minutes, or until the cod is opaque and flakes easily with a fork and the vegetables are tender-crisp.







