If you’re searching for a dinner that feels both irresistibly comforting and elegantly simple, this Cod & Potatoes in Rosemary Cream Sauce is about to become your new weeknight favorite. This luscious dish pairs tender, flaky cod fillets with buttery potatoes, all lovingly enveloped in a silken rosemary-infused cream sauce. The result is deliciously aromatic and deeply satisfying, yet refreshingly light. Whether you’re cooking for family or hoping to impress guests, this one-pan wonder brings together classic flavors with minimal fuss, offering maximum reward.

Cod & Potatoes in Rosemary Cream Sauce Recipe - Recipe Image

Ingredients You’ll Need

Here’s what makes Cod & Potatoes in Rosemary Cream Sauce so special: every ingredient plays a part in layering flavor, texture, and color. From the brightness of lemon and fresh herbs to the rich creaminess of the sauce, each is essential—yet nothing is complicated.

Cod fillets: Fresh, skinless, boneless fillets bring a mild flavor and soft, flaky texture that soaks up the sauce beautifully.
Baby or Yukon Gold potatoes: These hold their shape and have a creamy interior—perfect in a cream sauce.
Olive oil: Infuses the dish with fruity undertones and helps brown both fish and aromatics.
Butter: Adds richness and a hint of nuttiness while searing the cod.
Salt and pepper: Essential for bringing out the natural flavors of the cod and potatoes.
Lemon juice and zest: Brightens everything up and adds a subtle zing that keeps the dish from feeling heavy.
Garlic: Builds up the aromatic base of the rosemary cream sauce.
Shallot or onion: Offers gentle sweetness and depth.
Fresh (or dried) rosemary: The star herb—earthy, woodsy, and fragrant, it ties the cream sauce and main ingredients together.
Heavy cream: Creates that luxuriously smooth, velvety sauce.
Halal-certified broth: Adds savory roundness and keeps the sauce from feeling one-note.
Dijon mustard (optional): For a subtle tang and complexity—totally optional, but every drop adds magic.
Fresh parsley or chives: For a final burst of fresh flavor and a touch of color at serving.

How to Make Cod & Potatoes in Rosemary Cream Sauce

Step 1: Prepare the Potatoes

Start by giving your potatoes a good wash—since we’re keeping the skins, you want them squeaky clean. Chop them into halves or quarters for faster, even cooking. Drop them into salted boiling water and let them simmer until just fork-tender, about 8–10 minutes. Once drained, set them aside; their creamy texture is about to shine in this Cod & Potatoes in Rosemary Cream Sauce.

Step 2: Season the Cod

This is the moment to add flavor directly to your star protein. Pat each cod fillet dry, then sprinkle with salt, pepper, a generous squeeze of lemon juice, and fresh lemon zest. This quick citrus marinade works wonders, helping the fish stay juicy while infusing it with brightness. Let the fillets rest for a few minutes as you prep your skillet.

Step 3: Sear the Cod

Heat up olive oil and butter in a broad skillet—you’ll want enough room for everything later. Once the butter is foaming, carefully lay in the fillets, allowing them to sizzle undisturbed for 3–4 minutes per side. The magic happens here: the fish becomes golden and utterly tender. Once cooked through, move them gently to a warm plate while you build the sauce.

Step 4: Sauté the Aromatics

Keep the momentum going in the same pan. Drop in a little extra olive oil, then add minced garlic and finely chopped shallots. Let them soften and become fragrant, stirring gently. When their aroma turns sweet—not bitter—stir in the chopped rosemary and cook for another minute. The base for your rosemary cream sauce is set, and your kitchen will already smell incredible.

Step 5: Add Broth and Cream

Deglaze the pan with your halal-certified broth, scraping up all those savory bits. Bring it to a soft simmer, pour in the heavy cream, and add Dijon mustard if you love a little tang. Let this luscious mixture bubble away for 6–8 minutes, stirring now and then, until it naturally thickens into a gorgeous, glossy sauce.

Step 6: Add the Potatoes

Slide your pre-boiled potatoes back into the skillet, gently folding them into the rosemary cream sauce. Let them soak up the flavors for 3–4 minutes. You’ll see the sauce cling to their edges—this is what makes every bite as glorious as the last in Cod & Potatoes in Rosemary Cream Sauce.

Step 7: Return the Cod

Nestle your cod fillets lovingly into the sauce and potatoes, spooning extra sauce over the tops. With a final 2–3 minute simmer on low heat, the flavors come together perfectly. Every forkful from here delivers the promise of creamy comfort and herbaceous fragrance.

Step 8: Finish and Serve

Sprinkle freshly chopped parsley or chives over the whole skillet for a bright, verdant pop. Serve hot, family-style right from the pan or plated, and don’t forget a hunk of crusty bread to mop up that incredible sauce. Every element of Cod & Potatoes in Rosemary Cream Sauce is meant to be savored!

How to Serve Cod & Potatoes in Rosemary Cream Sauce

Garnishes

A simple scatter of fresh parsley or chives instantly brightens the plate, both visually and in taste. If you want to add a final flourish, a light squeeze of lemon just before serving enhances the fresh, citrusy notes that run through the dish.

Side Dishes

To round out your meal, a crisp green salad makes a refreshing partner for Cod & Potatoes in Rosemary Cream Sauce. Warm, crusty bread is practically a requirement for soaking up every bit of the rich sauce, while lightly steamed green beans or asparagus add color and crunch.

Creative Ways to Present

Try serving this dish individually plated for a dinner party-worthy look: nestle a fillet atop a bed of sauce-kissed potatoes, spoon over extra rosemary cream sauce, and top with a generous pinch of fresh herbs. For a more rustic, communal feel, serve straight from a heavy skillet at the table—extra points for a dramatic “sauce pour” right before the meal begins.

Make Ahead and Storage

Storing Leftovers

If you have any leftovers (it’s rare!), store the Cod & Potatoes in Rosemary Cream Sauce in an airtight container in the refrigerator. The flavors develop overnight, making them even more delicious the next day. Just be sure to keep the sauce and solids together to maintain their luscious texture.

Freezing

While fish and cream-based dishes don’t always freeze perfectly, you can freeze portions if needed. Let the dish cool completely, transfer to freezer-safe containers, and freeze for up to one month. Note that thawed cream sauce can separate a bit but a gentle reheat brings things back together.

Reheating

To reheat, gently warm leftovers in a skillet over low heat, adding a splash of broth or cream if the sauce looks too thick. Avoid microwaving the cod directly if possible—using the stovetop ensures the fish stays flaky and the sauce stays smooth.

FAQs

Can I use a different white fish instead of cod?

Absolutely! Haddock, pollock, or even halibut work well in place of cod—they’ll also turn out beautifully tender and soak up the rosemary cream sauce just as nicely.

Is there a dairy-free option for the cream sauce?

You can substitute the heavy cream with a coconut cream or any rich, unflavored plant-based cream. Expect a slightly different flavor, but the rosemary and lemon will still shine through.

Can I prepare Cod & Potatoes in Rosemary Cream Sauce ahead of time?

This dish is best freshly made, but you can prep the boiled potatoes and chop the aromatics a day in advance. For serving, simply follow the steps and reheat gently to get that just-cooked magic.

What’s the best way to avoid overcooking the cod?

Keep an eye on the thickness of your fillets—four minutes per side is usually perfect. The cod is ready when it flakes easily with a fork and appears opaque throughout.

How can I make this dish more kid-friendly?

If your kids are wary of herbs, use just half the rosemary, and skip the Dijon mustard. Serve the sauce on the side so everyone can add as much or as little as they choose.

Final Thoughts

There’s so much to love about Cod & Potatoes in Rosemary Cream Sauce—from its homey, comforting vibe to the way it delivers both elegance and ease in every bite. You won’t believe how quickly it comes together or how satisfying it is to share around the table. Give it a try, and get ready to fall in love with a new favorite!