20-minute lemon Romano baked cod turns a few fresh ingredients into a proper one-pan dinner. Flaky cod, crisp-tender asparagus, and burst cherry tomatoes roast together under a shower of lemon zest and salty Romano. A quick broil at the end gives everything a golden finish.
Tired of complicated weeknight dinners? This Lemon Romano Baked Cod is your new go-to! In just 20 minutes, you’ll have a vibrant, flavorful, and healthy one-pan meal on the table. Flaky cod, crisp-tender asparagus, and sweet burst tomatoes, all tied together with zesty lemon and savory Romano cheese. It’s elegance made simple.
Ingredients
• 4 cod fillets, 4 ounces / 113g (4 oz) each
• 1 pound / 450g (15.9 oz) fresh thin asparagus, trimmed
• 1 pint / 2 cups / 300g (10.6 oz) cherry tomatoes, halved
• 2 tablespoons / 30ml (1 fl oz) fresh lemon juice
• 1 ½ teaspoons / 6g (0.21 oz) grated lemon zest
• 1/4 cup / 25g (0.88 oz) grated Romano cheese
• 1 tablespoon / 15ml (0.5 fl oz) olive oil
• Salt and freshly ground black pepper to taste
Instructions
1. Directions
2. Preheat your oven to 375°F / 190°C. Lightly brush a 15x10x1-inch baking pan with olive oil.
3. Arrange the trimmed asparagus and cod fillets in a single layer on the prepared pan. Scatter the halved cherry tomatoes around them, cut-side down.
4. Brush the cod fillets with fresh lemon juice, then sprinkle evenly with lemon zest, salt, and pepper.
5. Generously sprinkle the Romano cheese over both the fish and the vegetables.
6. Bake for 12-15 minutes, or until the cod is opaque and flakes easily with a fork.
7. For a beautiful golden-brown finish, switch the oven to the broiler setting. Place the pan 4-6 inches from the heat and broil for 2-3 minutes, watching carefully to prevent burning. Serve immediately.
Nutritional Information
• Nutrition (per serving)
• Calories: 141 kcal
• Fat: 3g
• Carbohydrates: 6g
• Protein: 20g
• Fiber: 2g
Pro Tips
• Pat the cod fillets completely dry with a paper towel before seasoning. This helps them get a better texture and prevents them from steaming in the oven.
• For even cooking, choose asparagus spears that are similar in thickness. If your spears are very thick, they may require a few extra minutes in the oven.
• Don’t overcrowd the pan. Give the vegetables and fish enough space to roast rather than steam. Use two sheet pans if necessary for the best results.
• This recipe works beautifully with other firm white fish like halibut or haddock. You can also use salmon, but you may need to adjust the cooking time based on the fillet’s thickness.
FAQ
Q: What other fish can I use for this recipe
A: Absolutely! While this Lemon Romano Baked Cod is fantastic, you can easily substitute other firm white fish like halibut or haddock. Salmon also works beautifully, though you may need to adjust the baking time based on the fillet’s thickness.
Q: How do I know when the baked cod is done
A: Your cod is perfectly cooked when it’s opaque and flakes easily with a fork. For precise cooking, you can use an instant-read thermometer; the internal temperature of the thickest part of the fish should reach 145°F (63°C).
Q: Can I use a different cheese instead of Romano
A: Yes, if you don’t have Romano cheese, freshly grated Parmesan is an excellent substitute. It provides a very similar salty and nutty flavor profile that pairs wonderfully with the lemon, fish, and vegetables.
Q: What can I serve with this one-pan cod dinner
A: This dish is a complete meal on its own, but if you’d like to add a side, it pairs well with orzo, quinoa, or a piece of crusty bread to soak up the delicious pan juices from the lemon and burst tomatoes.
Pro Tips
- Pat the cod fillets completely dry before seasoning. Dry fish roasts instead of steaming, which keeps the texture flaky and lets the Romano brown.
- Choose asparagus spears of even thickness so everything finishes at the same time. Very thick spears need a few extra minutes; cut them lengthwise if needed.
- Don't overcrowd the pan. Give the cod and vegetables room to roast rather than steam, and use a second sheet pan if things get tight.
- The final 2-3 minute broil, 4-6 inches from the heat, is what turns the Romano golden. Watch it closely, since cheese goes from golden to burnt fast.
- Halibut or haddock swap in neatly for cod at the same temperature and timing. Salmon works too, just adjust for fillet thickness.
Frequently Asked Questions
Can I use frozen cod fillets?
Yes. Thaw them fully and pat them very dry before seasoning so they roast instead of steaming. The lemon, zest, and Romano treatment stays exactly the same.
What other fish work in this recipe?
Firm white fish like halibut or haddock are ideal substitutes with the same 12-15 minute bake. Salmon also works, though thicker fillets may need a little longer.
Is this lemon Romano cod keto-friendly?
Definitely. Each serving has 6g carbs (2g fiber), 20g protein, and just 3g fat, with the carbs coming mainly from the tomatoes and asparagus. It's a light, low-carb dinner.
Why broil the dish at the end?
The 2-3 minute broil browns the Romano cheese and gives the vegetables a roasted edge. Skip it and the dish still tastes good, just without that golden finish.
Recipe card below.
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20-Minute Lemon Romano Baked Cod
Ingredients
Method
- Directions
- Preheat your oven to 375°F / 190°C. Lightly brush a 15x10x1-inch baking pan with olive oil.
- Arrange the trimmed asparagus and cod fillets in a single layer on the prepared pan. Scatter the halved cherry tomatoes around them, cut-side down.
- Brush the cod fillets with fresh lemon juice, then sprinkle evenly with lemon zest, salt, and pepper.
- Generously sprinkle the Romano cheese over both the fish and the vegetables.
- Bake for 12-15 minutes, or until the cod is opaque and flakes easily with a fork.
- For a beautiful golden-brown finish, switch the oven to the broiler setting.
- Place the pan 4-6 inches from the heat and broil for 2-3 minutes, watching carefully to prevent burning.
- Serve immediately.
- Pat the cod fillets completely dry with a paper towel before seasoning. This helps them get a better texture and prevents them from steaming in the oven.
- Don't overcrowd the pan. Give the vegetables and fish enough space to roast rather than steam. Use two sheet pans if necessary for the best results.
