Creamy Rosemary Cod with Potatoes

Posted on March 14, 2026

Creamy rosemary cod fillets served with potatoes in a rustic dish

Bright, cozy, and simple to make, this Creamy Rosemary Cod with Potatoes is a weeknight winner that feels fancy without the fuss. Tender cod is seared, bathed in a rosemary-infused cream, and baked with potatoes for a comforting meal the whole family will ask for again. Try it with a side like cheesy ranch potatoes with smoked sausage for extra comfort.

H2: Why You’ll Love This Creamy Rosemary Cod with Potatoes

  • Comforting, creamy sauce with bright rosemary flavor.
  • Quick prep and mostly hands-off baking time.
  • Great for meal prep and easy leftover lunches.
  • Family-friendly and kid-approved textures.
  • Elegant enough for guests but simple enough for weeknights.

Creamy Rosemary Cod with Potatoes

H2: Ingredients Needed

  • Protein
    • 4 cod fillets
  • Veggies
    • 4 medium potatoes, peeled and cubed
  • Sauce
    • 1 cup heavy cream
    • 2 tablespoons fresh rosemary, chopped
  • Fats & Oils
    • 2 tablespoons butter
    • 1 tablespoon olive oil
  • Seasoning
    • Salt and pepper to taste

Creamy Rosemary Cod with Potatoes

H2: Step-by-Step Instructions 5 (always use H2 and H3)

1. Preheat the oven

Preheat your oven to 375°F (190°C).

2. Boil the potatoes

In a pot, boil the cubed potatoes until tender, about 15 minutes. Drain and set aside.

3. Sear the cod

In a skillet, heat olive oil and butter over medium heat. Season the cod fillets with salt and pepper, then sear them for 3–4 minutes on each side until golden brown.

4. Make the rosemary cream

In a separate bowl, mix the heavy cream with chopped rosemary, salt, and pepper.

5. Arrange in a baking dish

In a baking dish, arrange the seared cod and boiled potatoes. Pour the creamy rosemary sauce over the top.

6. Bake until bubbly

Bake in the preheated oven for 20–25 minutes, until the cod is cooked through and the sauce is bubbly.

7. Serve and enjoy

Serve hot and enjoy!

H2: Serving Suggestions Creamy Rosemary Cod with Potatoes

  • Serve with a crisp green salad and lemon wedges for brightness.
  • Add steamed green beans or roasted asparagus for extra veggies.
  • For a heartier spread, plate alongside Chicken Pillows with Creamy Parmesan Sauce for variety.
  • Garnish with extra chopped rosemary and a drizzle of olive oil before serving.
  • Pair with a light white wine or sparkling water with lemon.

H2: Tips for Success Creamy Rosemary Cod with Potatoes

  • Use evenly sized potato cubes so they cook through at the same rate.
  • Don’t overcrowd the skillet when searing the cod to ensure a nice golden crust.
  • Taste the cream before baking and adjust salt and pepper as needed.
  • For firmer texture, pan-sear just until golden and bake only long enough to finish cooking.
  • If planning meals, cool leftovers quickly and refrigerate in an airtight container for up to 3 days; you can reheat gently in the oven. For other meal ideas, consider flavors from chipotle honey chicken thighs with smoked gouda mashed potatoes to inspire a spicy twist.

H2: Variations Here are a few easy ways to change it up:

  • Swap the cod for halibut or haddock if you want a firmer fish.
  • Make it spicy by adding a pinch of red pepper flakes to the cream.
  • For a dairy-free option, use full-fat coconut milk instead of heavy cream.
  • Add vegetables like spinach or cherry tomatoes in the baking dish for color and nutrition.

Creamy Rosemary Cod with Potatoes

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Creamy rosemary cod fillets served with potatoes in a rustic dish

Creamy Rosemary Cod with Potatoes

Bright, cozy, and simple to make, this Creamy Rosemary Cod with Potatoes is a weeknight winner that feels fancy without the fuss. Tender cod is seared, bathed in a rosemary-infused cream, and baked with potatoes for a comforting meal the whole family will ask for again.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: American, Comfort Food
Calories: 450

Ingredients
  

Protein
  • 4 fillets cod fillets Fresh or thawed
Veggies
  • 4 medium potatoes, peeled and cubed Cut into even cubes for uniform cooking
Sauce
  • 1 cup heavy cream
  • 2 tablespoons fresh rosemary, chopped Can use dried if fresh is unavailable
Fats & Oils
  • 2 tablespoons butter
  • 1 tablespoon olive oil
Seasoning
  • Salt and pepper to taste Adjust according to preference

Method
 

Preparation
  1. Preheat your oven to 375°F (190°C).
  2. In a pot, boil the cubed potatoes until tender, about 15 minutes. Drain and set aside.
  3. In a skillet, heat olive oil and butter over medium heat. Season the cod fillets with salt and pepper, then sear them for 3–4 minutes on each side until golden brown.
  4. In a separate bowl, mix the heavy cream with chopped rosemary, salt, and pepper.
  5. In a baking dish, arrange the seared cod and boiled potatoes. Pour the creamy rosemary sauce over the top.
  6. Bake in the preheated oven for 20–25 minutes, until the cod is cooked through and the sauce is bubbly.
  7. Serve hot and enjoy!

Notes

Use evenly sized potato cubes so they cook through at the same rate. Taste the cream before baking and adjust salt and pepper as needed. For firmer texture, pan-sear just until golden and bake only long enough to finish cooking. Cool leftovers quickly and refrigerate in an airtight container for up to 3 days; you can reheat gently in the oven.

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