Roasted Cod with Seasonal Vegetables

There is something inherently satisfying about a one-pan meal. As a nutritionist, I am always looking for ways to reduce the "friction" of healthy eating. When you come home after a long day, the last thing you want is a sink full of pots and pans. This roasted cod with seasonal vegetables is my go-to solution. It respects your time without compromising on the elegance of a home-cooked dinner.

When you roast cod, the high heat of the oven creates a gentle transformation. The fish turns opaque and tender, releasing its own subtle, oceanic juices that mingle with the olive oil and garlic. Meanwhile, the cherry tomatoes burst under the heat, turning into a natural, jammy sauce that coats the zucchini and peppers. It is simple, honest food that celebrates the ingredients rather than masking them.

Freshness is your best friend here. Because the ingredient list is short, each component plays a starring role.

• 4 cod fillets (6 oz each): Look for firm, white flesh that smells fresh, like the sea—never "fishy."
• 2 cups cherry tomatoes: These provide the necessary acidity to balance the richness of the oil.
• 1 large zucchini: Sliced into half-moons for even cooking.
• 1 red bell pepper: Adds a pop of sweetness and vital Vitamin C.
• 3 tbsp extra virgin olive oil: Use a high-quality oil for better depth of flavor.
• 2 cloves garlic: Mince these finely to ensure every bite is infused with that aromatic punch.
• 1 tbsp fresh lemon juice: A squeeze of citrus just before serving brightens the entire dish.
• 1 tsp dried oregano, salt, and pepper: The foundational aromatics that tie everything together.

1. Prep the Oven: Preheat to 400°F (200°C). Lining your baking sheet with parchment paper is non-negotiable—it ensures easy cleanup and prevents the fish from sticking.
2. Roast the Veggies: Toss the zucchini, tomatoes, and peppers in olive oil, garlic, and herbs. Spread them out. They need room to breathe so they roast rather than steam. Give them 15 minutes of head start.
3. Add the Cod: Nestle the fillets into the pan, making sure they sit directly on the hot surface or nestled into the veggies. Drizzle with a tiny bit more oil and that fresh lemon juice.
4. The Finishing Touch: Bake for another 10–12 minutes. You will know it is done when the cod turns opaque white and flakes away gently when poked with a fork.

This dish is fantastic for a "cook once, eat twice" strategy. Once cooked, store the fish and vegetables in an airtight container in the refrigerator for up to 2 days. When reheating, I recommend a low oven or a toaster oven set to 300°F (150°C). Cover it loosely with foil to keep the fish from drying out. Avoid the microwave if possible, as it tends to turn the fish rubbery and destroys the delicate texture of the zucchini.