Lemon Thyme Broiled Cod Recipe

Why I Love This Little Fish Dinner

I remember the first time I made cod for my grandkids. They were nervous about fish. I told them to close their eyes and take a bite. They both asked for seconds! That is when I knew this recipe was a keeper.

This dish feels fancy but it is not hard at all. It takes about ten minutes to get ready. The broiler does all the work for you.

The Secret in the Sauce

Now, do not let the anchovy paste scare you. I know it sounds funny. My friend Linda laughed when I told her about it. But it melts right into the mayonnaise. It does not taste fishy. It just makes the fish taste richer.

The lemon zest and fresh thyme wake everything up. You spread a thick layer of this creamy mixture on top. It keeps the cod soft and juicy while it cooks.

*Fun fact: Anchovy paste is packed with umami. That is a fancy word for the savory flavor that makes your mouth happy.*

How It All Comes Together

First, you turn on your broiler. That is the heat at the top of your oven. Then you line a baking sheet with foil. This makes cleanup so easy. I love that part.

Lay your cod fillets on the foil. Rub them with a little olive oil and sprinkle salt and pepper. In a small bowl, mix the mayo with lemon zest, lemon juice, anchovy paste, and thyme. Spread it all over the fish. Yes, use every bit. You will be glad you did.

Doesn’t That Smell Amazing?

Pop the pan under the broiler for about five or six minutes. The top will get brown and bubbly. The kitchen will fill with a toasty, lemony smell. Doesn’t that smell amazing?

I like to add a sprinkle of red chile flakes at the end. It gives a tiny kick. My grandson calls it “sparkle dust.” Have you ever tried chile flakes on fish?

Why This Matters for Busy Nights

This recipe is fast. Really fast. You can make it on a school night or after a long day. It feels special without taking much time.

Eating good fish like cod is healthy for your heart. It gives you energy to play and learn. That is why I love teaching meals that are both easy and good for you.

My Favorite Way to Serve It

I put the broiled lemon halves right on the plate. You squeeze them over the fish at the table. It adds a bright pop of flavor. I also like a simple green salad on the side.

What do you like to eat with fish? Rice? Roasted potatoes? I am always curious what other families do. Let me know in your heart what you would serve.

A Little Poll for You

Here is a question for you: have you ever cooked with anchovy paste before? Or does the idea make you nervous? I still laugh at how scared I was the first time I tried it. Now I use it all the time.

I would love to hear your kitchen stories. What is one new food you tried and ended up loving? Share it with a friend or write it down. That is how we learn to cook with joy.

Ingredients:

Ingredient	Amount	Notes
Boneless, skinless cod fillets	4 (6-ounce)
Olive oil	1 teaspoon
Kosher salt and freshly ground black pepper	To taste
Lemons	2	Divided
Mayonnaise	1/2 cup
Anchovy paste	1 teaspoon
Minced fresh thyme	2 teaspoons	Plus extra for garnish
Red chile flakes	For garnish	Optional

Why This Fish Feels Like a Hug

I still remember the first time I made this for my grandkids. They wrinkled their noses at the word “anchovy.” But I just smiled and stirred it in anyway. That little secret gives the fish a rich, savory taste without being fishy at all. Doesn’t that smell amazing once it hits the broiler? It’s like the ocean and a lemon tree had a happy picnic.

This recipe is my go-to for a weeknight that feels a little fancy. The mayo spread turns golden and bubbly, like a cozy blanket. And the broiled lemon halves? They get sweet and jammy. My friend Betty once said it made her feel like she was on vacation. I think you’ll feel that way too.

Here’s a little story: the first time I made this, I forgot to zest the lemon first. I stood there holding a naked lemon and just laughed. So don’t be like me—always zest before you juice. Now, let’s get cooking, friend.

Your Step-by-Step Adventure

Step 1: Turn your broiler on high and move the oven rack to the top third spot. Line a baking sheet with aluminum foil. Lay your four cod fillets on it in a single layer, like they’re sunbathing. Drizzle one teaspoon of olive oil over them and rub it in gently on both sides. Sprinkle a little salt and pepper on each piece. (Hard-learned tip: Pat the fish dry with a paper towel first—it helps the seasoning stick and keeps it from getting watery.)

Step 2: Grab one lemon and zest it carefully before you cut it. You only need the yellow part, not the white pith—that’s bitter. Then cut that lemon in half and squeeze out one tablespoon of juice. Now take the second lemon and slice off both ends so it sits flat on the cutting board. Cut it in half and set those two halves aside. Why do we zest before juicing? Share below!

Step 3: In a small bowl, mix the lemon zest, one tablespoon lemon juice, half a cup of mayonnaise, one teaspoon anchovy paste, and two teaspoons of minced fresh thyme. Stir it all together until it’s creamy and pale yellow. It will look like a lot of sauce. That’s exactly right. Spread every last bit of it over the tops of the fish fillets. Don’t save any—this is the magic part.

Step 4: Place the two lemon halves on the baking sheet next to the fish, flesh-side up so they catch the heat. Slide the pan under the broiler and let it cook for about five to six minutes. Keep an eye on it—broilers work fast. You’ll know it’s done when the top is golden brown and bubbly, and the fish flakes easily with a fork. My kitchen timer once broke, and I just watched it like a hawk. Five minutes felt like forever, but it was perfect.

Step 5: Pull the pan out carefully—it’s hot. Sprinkle a pinch of red chili flakes and some extra fresh thyme leaves over the fish if you like a little pop. Serve each fillet with one of those now-soft, caramelized lemon halves. Squeeze a little over the fish at the table. That’s it. You just made a meal that tastes like a great big hug.

Cook Time: 6 minutes
Total Time: 15 minutes
Yield: 4 servings
Category: Dinner, Seafood

Three Fun Twists on This Classic

Lemony Herb Swap: If thyme isn’t your favorite, use fresh dill or parsley instead. It changes the whole feel of the dish to something light and garden-fresh.

Spicy Honey Kick: Stir one teaspoon of honey and a pinch of cayenne into the mayo mix. You get sweet heat that dances on your tongue and makes the fish sing.

Veggie-Friendly Option: Swap the cod for thick slices of cauliflower or firm tofu. Broil them the same way, and you’ve got a cozy meatless dinner that still feels special. Which one would you try first? Comment below!

How to Serve It Up Right

This fish loves sitting next to something simple. Try it with steamed green beans tossed in a little butter and salt. Or serve it over a bed of fluffy rice to soak up all that lemony mayo goodness. A crisp green salad with a light vinaigrette is lovely too—it cuts through the richness.

For drinks, a glass of cold lemonade or sparkling water with a slice of cucumber is perfect for kids and grown-ups alike. If you want something fancier for the adults, a dry white wine like Sauvignon Blanc pairs beautifully. It’s like the wine and the fish are old friends. Which would you choose tonight?

Storing and Reheating Your Lemon Thyme Cod

This fish tastes best fresh from the broiler. But leftovers are still a treat if you store them right. Place any leftover cod in a sealed container and keep it in the fridge for up to two days. I once stored some in a glass dish with a tight lid, and the lemon flavor was even stronger the next day.

Do not freeze this dish. The mayonnaise sauce can turn watery when thawed. Trust me, I learned that the hard way. For batch cooking, just double the ingredients and cook in two rounds. Reheat gently in a warm oven at 300 degrees for about 8 minutes. Have you ever tried storing it this way? Share below!

Why does this matter? Proper storage keeps the cod moist and safe to eat. It also saves you time and money. You can enjoy good food twice without extra work.

Three Common Problems and Easy Fixes

Problem one: the fish sticks to the foil. Use a little more oil on the foil before laying down the fillets. I remember when my first batch tore apart because I skipped this step.

Problem two: the mayo topping slides off. Pat the fish dry before spreading the sauce. A dry surface helps the coating stick. Problem three: the cod cooks unevenly. Make sure all fillets are the same thickness. Cut thicker parts in half so everything finishes at once.

Why does this matter? Fixing these small issues gives you perfect fish every time. You build confidence in the kitchen. And your family will ask for seconds. Which of these problems have you run into before?

Your Questions Answered

Q: Is this recipe gluten-free? A: Yes, all the ingredients are naturally gluten-free. Double check your anchovy paste label to be safe.

Q: Can I make this ahead of time? A: You can mix the mayo sauce up to one day early. Keep it covered in the fridge.

Q: What if I do not like anchovy paste? A: Leave it out. The fish will still taste great. Add a pinch of extra salt instead.

Q: Can I double the recipe? A: Yes, just use two baking sheets. Swap their positions halfway through broiling.

Q: What can I use instead of fresh thyme? A: Dried thyme works fine. Use half the amount, about one teaspoon. Which tip will you try first?

A Warm Goodbye from Chloe

Thank you for spending time in the kitchen with me. I hope this Lemon Thyme Cod becomes a favorite at your table. It is simple enough for a busy weeknight but fancy enough for company.

*Fun fact: The broiled lemon halves add a sweet, smoky flavor that surprises everyone.*

Please share your cooking wins and questions in the comments. I love hearing from you. Have you tried this recipe? Tag us on Pinterest! Happy cooking! —Chloe Hartwell.