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a single cod fillet baked alongside tomatoes and lemons on a blue plate.
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5 from 7 votes

Baked Cod For One

Tender baked cod with a buttery herb topping, fresh lemon, and roasted cherry tomatoes. A simple, flavorful dish that comes together in minutes.
Prep Time5 minutes
Cook Time15 minutes
Total Time20 minutes
Course: Main Dish
Cuisine: American
Diet: Low Carb, Gluten Free, Low Calorie
Keyword: baked cod, baked fish, cod
Servings: 1 serving
Author: Joanie Zisk

Equipment

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
US - Metric

Instructions

  • Preheat the Oven – Set your oven to 400°F (200°C).
  • Prepare the Cod: Lightly grease a 5x7-inch baking dish and place the cod fillet in the center. Scatter cherry tomatoes around the fish.
  • Make the Butter Mixture – In a small bowl, mix the softened butter, garlic powder, dried tarragon, salt, and pepper.
  • Season the Cod – Spread the butter mixture evenly over the fillet. Lay two lemon slices on top, then drizzle olive oil over the tomatoes.
  • Bake – Place in the oven and bake for 15-17 minutes, until the fish flakes easily with a fork.

Notes

  • Read First, Cook Second – Review the recipe and gather your ingredients before starting. This dish comes together quickly, so being prepared makes the process smooth.
  • Preheat for Even Cooking – Make sure your oven is fully preheated before baking to ensure consistent results.
  • Choose the Right Cut – Thick, center-cut fillets cook more evenly and stay moist.
  • Good Substitutes – If cod isn’t available, haddock, halibut, hake, white sea bass, or striped bass all work well in this recipe.
  • Check for Doneness – The fish is ready when it turns opaque and flakes easily with a fork. Start checking around 15 minutes, as cooking time may vary based on thickness. Avoid overcooking to keep it tender.

Nutrition

Serving: 1serving | Calories: 343kcal | Carbohydrates: 6g | Protein: 40g | Fat: 17g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 0.5g | Cholesterol: 124mg | Sodium: 231mg | Potassium: 779mg | Sugar: 0.01g | Vitamin A: 350IU | Vitamin C: 0.01mg | Calcium: 4mg | Iron: 0.02mg

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