This post may contain affiliate links. For more information, see our Affiliate Disclosure Policy.
Introduction
Let me tell you about a weeknight dinner that feels like a restaurant treat—Lemon Parmesan Cod with Garlic Butter. This dish is my answer when I want something fresh, flavorful, and impressively simple. The mild, flaky cod gets a boost from a golden crust of Parmesan cheese, a zip of fresh lemon juice, and the warmth of garlic-infused butter. It’s one of those meals that makes you pause at the first bite. And the best part? It’s ready in under 30 minutes.
I first made this on a night when I needed a break from chicken (we’ve all been there), and now it’s firmly on the regular rotation. Whether you’re cooking for one, two, or the whole family, this dish makes dinner feel special without piling up dishes or prep work.
Why You’ll Love This Recipe
Key Benefits
- Quick and Easy: Ready in about 25 minutes, making it perfect for weeknights.
- Minimal Ingredients: You likely have everything in your kitchen already.
- Family-Friendly: Even picky eaters tend to love the mild flavor of cod with the cheesy crust.
- Budget-Friendly: Cod is often more affordable than other seafood options, especially when bought frozen.
Taste & Texture
Think crisp, savory Parmesan topping over tender, flaky cod. The garlic butter seeps into every bite, while the fresh lemon cuts through with brightness. It’s a harmony of rich, zesty, and umami notes. The topping gets perfectly golden while the fish remains moist and delicate underneath.
Dietary Attributes
- Gluten-Free (as long as you use gluten-free breadcrumbs or omit them)
- Low-Carb
- Keto-Friendly (skip the breadcrumbs or use a low-carb alternative)
Ingredients & Substitutions
Ingredient List
- 1 ½ pounds cod fillets (fresh or thawed frozen)
- ½ cup grated Parmesan cheese
- 3 tablespoons unsalted butter, melted
- 2 garlic cloves, minced
- Juice of 1 lemon
- 1 tablespoon chopped parsley (optional, for garnish)
- Salt and black pepper to taste
- Optional: ¼ cup seasoned breadcrumbs for added crunch
Notes on Quality
Fresh cod is ideal, but thawed frozen fillets work great too—just pat them dry thoroughly before baking. For Parmesan, freshly grated gives the best melt and flavor, but pre-grated will do in a pinch. Use real butter, not margarine, for the rich garlic sauce.
Possible Substitutions
- Fish: Try haddock, tilapia, or even halibut if cod isn’t available.
- Parmesan: Romano or Asiago are great swaps if you want a stronger cheese flavor.
- Butter: Olive oil can substitute, but you’ll lose some of that indulgent richness.
- Breadcrumbs: Panko or almond flour work for texture, or skip them to keep it low-carb.
Step-by-Step Instructions

- Preheat oven to 400°F (200°C) and lightly grease a baking dish.
- Prepare the topping: In a small bowl, mix the Parmesan cheese, melted butter, minced garlic, and lemon juice. Stir to combine.
- Place cod fillets in the baking dish. Season with salt and pepper.
- Spoon the Parmesan mixture evenly over the fillets. Sprinkle with breadcrumbs if using.
- Bake for 12–15 minutes, depending on the thickness of your fish. The cod should flake easily with a fork and the topping should be golden brown.
- Optional broil: For a crisper top, broil for the last 1–2 minutes—but watch it carefully!
- Garnish with parsley and serve hot with extra lemon wedges.
Expert Tips & Tricks
Best Practices
- Dry the cod thoroughly before baking to avoid a watery dish.
- Use a glass or ceramic baking dish for even heat distribution and easy cleanup.
- Grate your own Parmesan if possible—pre-shredded cheese doesn’t melt as well.
Common Mistakes
- Overbaking: Cod cooks quickly. Once it flakes easily, it’s done. Too long in the oven can make it rubbery.
- Skipping the lemon: The lemon juice isn’t just for flavor—it helps balance the richness of the butter and cheese.
Time-Saving Tips
- Use pre-minced garlic if you’re in a rush.
- Buy individually frozen fillets so you can thaw just what you need.
- Mix your topping ahead of time and refrigerate until you’re ready to bake.
Serving Suggestions
Pairings
- Sides: Try a simple green salad, roasted asparagus, or buttery mashed potatoes.
- Starches: Herbed rice, garlic noodles, or quinoa make great bases.
Looking for more quick dinners? You’ll love this Chicken Cabbage Stir Fry—it’s another go-to that hits the table fast and full of flavor.
Presentation Ideas
- Serve on a white plate to highlight the golden crust.
- Add a sprig of parsley or a lemon twist for a little flair.
- A drizzle of the pan juices takes it over the top.
Beverage Pairings
- White wine: Pinot Grigio or Chardonnay are excellent with the buttery, lemony notes.
- Non-alcoholic: Sparkling water with lemon or iced green tea works wonderfully.
Storage & Reheating
Leftover Storage
- Store leftovers in an airtight container in the fridge for up to 2 days.
- Best eaten fresh, but still tasty the next day in wraps or over salad.
Reheating Methods
- Oven: Reheat at 300°F for 10 minutes, covered with foil to keep moisture.
- Skillet: Gently warm over low heat with a bit of butter.
- Avoid microwaving if possible, as it can dry out the fish.
Frequently Asked Questions
Substitutions & Adjustments
Can I make this dairy-free?
Try using olive oil instead of butter and skip the cheese—or use a vegan cheese alternative that melts well.
Can I make this for one or two servings?
Absolutely. Just adjust the ingredient quantities and use a smaller baking dish.
Troubleshooting
Why is my topping not crisping?
Broil it for 1–2 minutes at the end—but keep an eye on it! Also make sure your cheese isn’t too moist.
My fish turned out watery. What happened?
Most likely, the fillets weren’t patted dry before baking, or they were overcooked. Always blot with paper towels before seasoning.
Variations & Customizations
Dietary Adaptations
- Low-carb/Keto: Omit breadcrumbs or use crushed pork rinds for crunch.
- Gluten-Free: Use gluten-free breadcrumbs or none at all.
Flavor Twists
- Add a teaspoon of Dijon mustard to the topping for extra zing.
- Mix in some chili flakes or smoked paprika for heat and depth.
Seasonal/Holiday Versions
- In summer, serve with grilled corn and fresh tomato salad.
- For holidays, pair with creamy mashed potatoes and roasted Brussels sprouts for an elegant seafood centerpiece.
Conclusion
Lemon Parmesan Cod with Garlic Butter is the perfect recipe to elevate your weeknight dinner game. It’s elegant, comforting, and packed with flavor—plus, it’s on the table in under 30 minutes. Whether you’re making it for a quiet night in or a dinner with friends, this cod recipe will always deliver. Give it a try, and don’t forget to share your results in the comments—I’d love to hear how you made it your own!
And if you’re on Pinterest, make sure to check out and follow our boards at Cooking with Callie on Pinterest for even more inspiration.
Looking for more satisfying meals? These are calling your name:
- Chicken Cabbage Stir Fry for something fast and veggie-loaded
- Sheet Pan Gnocchi when you need comfort food with zero fuss
- Creamy Chicken Marsala for a date night dish that never disappoints
Happy cooking!



Lemon Parmesan Cod with Garlic Butter
- Total Time: 25 minutes
- Yield: 4 servings 1x
- Diet: Gluten Free
Description
Lemon Parmesan Cod with Garlic Butter is a fast and flavorful seafood dish with a crispy cheesy topping, bright lemon juice, and rich garlicky butter. Ready in under 30 minutes and perfect for a cozy dinner or a quick weeknight meal.
Ingredients
1 ½ pounds cod fillets
½ cup grated Parmesan cheese
3 tablespoons unsalted butter melted
2 garlic cloves minced
Juice of 1 lemon
1 tablespoon chopped parsley optional for garnish
Salt to taste
Black pepper to taste
¼ cup seasoned breadcrumbs optional for crunch
Instructions
Preheat the oven to 400°F and grease a baking dish
In a small bowl mix the Parmesan cheese melted butter garlic and lemon juice
Pat cod fillets dry with paper towels and place them in the baking dish
Season with salt and pepper
Spoon the Parmesan mixture over each fillet evenly
Sprinkle breadcrumbs on top if using
Bake for 12 to 15 minutes until the fish flakes easily and the top is golden
Optional broil for 1 to 2 minutes for a crispier topping
Garnish with parsley and serve hot
Notes
Use fresh or thawed cod and dry it well to avoid excess moisture
Grate fresh Parmesan for best results
Broil briefly at the end if you want an extra crispy topping
- Prep Time: 10 minutes
- Cook Time: 15 minutes
- Category: Dinner
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 fillet
- Calories: 265
- Sugar: 0g
- Sodium: 410mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 4g
- Fiber: 0g
- Protein: 28g
- Cholesterol: 75mg