This Baked Cod for One recipe is a quick and healthy single-serving meal featuring tender, flaky cod with roasted cherry tomatoes and a flavorful butter and herb topping. Perfect for low-calorie dinners, this easy baked fish recipe takes under 20 minutes and is ideal for simple weeknight cooking. With minimal ingredients including cod, garlic, tarragon, and fresh lemon, it’s a light and nutritious option for anyone looking for easy fish recipes, quick seafood dinners, or healthy single-serving meals.

Ingredients
- 1 (6-ounce) cod fillet
- 9 cherry or grape tomatoes (about ½ cup)
- 1 tablespoon salted butter, at room temperature
- ⅛ teaspoon garlic powder
- ⅛ teaspoon dried tarragon
- ⅛ teaspoon kosher salt
- 2 lemon slices
- 1 teaspoon olive oil
Instructions
- Preheat the Oven: Heat oven to 400°F (200°C).
- Prepare the Baking Dish: Lightly grease a 5×7-inch baking dish. Place the cod fillet in the center and arrange the cherry tomatoes around it.
- Make the Butter Mixture: In a small bowl, combine softened butter, garlic powder, dried tarragon, salt, and pepper.
- Add Flavor to the Fish: Spread the butter mixture evenly over the cod fillet. Place two lemon slices on top of the fish and drizzle olive oil over the tomatoes.
- Bake: Bake for 15–17 minutes, or until the fish is opaque and flakes easily with a fork.
Why You’ll Love This Recipe
This baked cod recipe is simple, light, and full of flavor. It’s perfect for a quick, healthy single-serving meal that requires minimal preparation while delivering tender, flaky fish paired with juicy roasted tomatoes.

Tips
- Pat the cod dry before baking for a better texture.
- Use fresh lemon slices for extra brightness.
- Place the baking dish on a sheet pan to catch any juices for easier cleanup.
Variations and Substitutions
- Replace cod with haddock, tilapia, or other white fish fillets.
- Swap tarragon for dill, thyme, or parsley for a different herb flavor.
- Use unsalted butter and adjust seasoning as needed.
- Add vegetables like zucchini or bell peppers for a more colorful dish.
FAQs
Can I use frozen cod?
Yes, just thaw it completely before baking for even cooking.
How can I tell when the fish is done?
The fish is ready when it turns opaque and flakes easily with a fork.
Can I make this ahead of time?
You can prepare the butter mixture and assemble the dish in advance, but bake just before serving for best results.
Serving
- Serve warm with a side of steamed vegetables, quinoa, or rice.
- Pair with a light salad for a complete low-calorie meal.
Suggestions
- Drizzle a little extra lemon juice over the baked fish before serving.
- Garnish with fresh herbs like parsley or chives for added flavor and color.
- Serve with crusty bread to soak up any juices from the tomatoes and butter.








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