Jump to Recipe Print RecipeAs I stood by the oven, the comforting aroma of rosemary drifting through the air swept me off my feet. There’s something magical about a meal that combines tender cod fillets with buttery Yukon gold potatoes, especially when it’s all beautifully enveloped in a rich, creamy sauce. My One-Dish Creamy Rosemary Cod with Yukon Gold Potatoes captures that essence, transforming a simple weeknight dinner into a cozy culinary experience with minimal fuss. In just one dish, you get an easy-to-make meal that’s not only a comfort food classic but also a crowd-pleaser, making it perfect for sharing with family or friends. Are you ready to discover how to create this homestyle delight that will surely become a staple in your kitchen? Why Is This Recipe a Must-Try? Simplicity: This dish combines the ease of a one-dish meal with an impressive flavor profile, making it perfect for weeknight dinners. Flavorful Harmony: The blend of creamy rosemary sauce and tender cod paired with buttery Yukon gold potatoes creates a delightful taste experience that everyone will love. Customizable: Feel free to experiment with different fish types or substitute Yukon potatoes with your favorite root vegetables for variety. Quick Cooking: With only a handful of ingredients and minimal prep time, you can have a delicious dinner on the table in about 30 minutes! Crowd-Pleaser: The rich flavors and comforting textures make this dish a favorite at family gatherings or dinner parties. It’s the kind of meal that sparks joy and engagement around the table. Serve with a crisp green salad or alongside Cheesy Ranch Potatoes for a well-rounded meal that’s sure to impress. Cod & Potatoes in Rosemary Cream Sauce Ingredients For the Dish Extra-virgin olive oil – Adds richness and helps roast the potatoes; feel free to use avocado oil for a different flavor. Yukon gold potatoes – Provides a buttery texture; red or russet potatoes can be substituted if desired. Kosher salt – Enhances the overall flavor; sea salt can also be an alternative. Black pepper – Adds warmth and depth; freshly cracked is best for flavor. Salted butter – Enriches the rosemary cream sauce; use unsalted butter if you prefer to control the salt levels. Shallot – Offers a mild onion flavor; onions or leeks can work well as substitutes. Garlic – Infuses wonderful aroma and taste; fresh garlic is preferable, but garlic powder can be used in a pinch. Heavy cream – Creates a rich and velvety sauce; substitute with half-and-half or whole milk for a lighter version. Chicken or fish stock – Acts as the base for the creamy sauce; vegetable stock offers a lighter flavor profile. Fresh rosemary – Adds aromatic flavor; use ½ teaspoon dried rosemary if fresh is unavailable. Lemon zest – Brightens the dish with citrus notes; lime zest can be an alternative for a different twist. Fresh lemon juice – Balances the creaminess and adds fresh acidity; vinegar can also substitute if needed. Dijon mustard – Provides a tangy depth to the sauce; yellow mustard can be used as an alternative. Ground cayenne pepper – Adds a subtle heat that can be adjusted to taste or omitted for less spice. Capers – Contribute a briny flavor to the dish; for a milder taste, you can omit them or use chopped green olives. Cod fillet – The star of the dish, offering a flaky texture; haddock, halibut, or tilapia are great substitutes. Fresh parsley (optional) – Enhances presentation and flavor as a garnish; dried parsley can be used if fresh isn’t available. This cozy Cod & Potatoes in Rosemary Cream Sauce is sure to become a cherished recipe in your kitchen, delighting everyone around the table with its comforting and heartwarming flavors. Step‑by‑Step Instructions for Cod & Potatoes in Rosemary Cream Sauce Step 1: Preheat and Prepare the Dish Begin by preheating your oven to 450°F (230°C). While the oven warms up, grab an 8×8 baking dish and lightly grease it with olive oil. This will help prevent the cod and potatoes from sticking. The dish should be ready for those cozy Yukon gold potatoes and tender cod to come together! Step 2: Roast the Potatoes In a large bowl, toss the cut Yukon gold potatoes with 1 tablespoon of extra-virgin olive oil, 1 teaspoon of kosher salt, and a dash of freshly cracked black pepper. Spread the seasoned potatoes evenly in the prepared baking dish and roast them in the oven for about 20–25 minutes, or until they are fork-tender and lightly golden brown, filling your kitchen with their inviting aroma. Step 3: Sauté Aromatics for the Sauce While the potatoes are roasting, melt 1 tablespoon of salted butter along with 1 tablespoon of olive oil in a medium saucepan over medium heat. Add the diced shallots and sauté them for about 5 minutes, or until they become soft and translucent. Then, toss in the minced garlic and cook for an additional minute until fragrant, ensuring that the base of your rosemary cream sauce is bursting with flavor. Step 4: Create the Rosemary Cream Sauce Now, it’s time to build the rich sauce. Stir in the heavy cream, chicken or fish stock, fresh rosemary, lemon zest, lemon juice, Dijon mustard, ground cayenne pepper, and capers into the saucepan. Simmer the mixture over low heat for about 5 minutes, stirring occasionally, until the sauce has thickened slightly and is creamy, coating the back of your spoon beautifully. Step 5: Assemble the Dish Once the potatoes are perfectly roasted, season the cod fillets with the remaining salt and arrange them on top of the potatoes in the baking dish. Carefully pour the warm rosemary cream sauce over the cod and potatoes, making sure everything is generously coated. This assembly will meld all the delightful flavors together as they bake. Step 6: Bake Until Flaky Place the assembled dish back into the hot oven and bake uncovered for about 10–15 minutes. Keep an eye on it: the cod is ready when it flakes easily with a fork and is opaque throughout. The cozy aroma of the cod and potatoes in rosemary cream sauce will fill your home with warmth and anticipation. Step 7: Garnish and Serve Once baked to perfection, remove the dish from the oven and let it cool for a couple of minutes. For that final touch, sprinkle freshly chopped parsley over the top for a pop of color and added flavor. Serve this comforting Cod & Potatoes in Rosemary Cream Sauce straight from the dish for a cozy dining experience that everyone will love! How to Store and Freeze Cod & Potatoes in Rosemary Cream Sauce Fridge: Store leftovers in an airtight container for up to 3 days. Reheat gently in the microwave or on the stovetop to maintain creaminess. Freezer: You can freeze the sauce separately from the cod and potatoes for up to 1 month. Make sure to cool it completely before transferring to an airtight container. Reheating: When ready to enjoy, thaw the sauce overnight in the fridge. Reheat gently on low heat, stirring occasionally, until warmed through. Wrap it Well: If freezing the entire dish, cover it tightly with plastic wrap and then foil to prevent freezer burn and maintain the quality of your Cod & Potatoes in Rosemary Cream Sauce. Cod & Potatoes in Rosemary Cream Sauce Variations Feel free to customize this comforting dish to suit your taste buds and pantry staples, making it uniquely yours! Fish Swap: Try haddock, halibut, or tilapia for a different flavor profile. Each fish brings its own twist while maintaining that delightful flakiness. Potato Options: Experiment with red or russet potatoes if you desire a different texture. Carrots or parsnips can also add an exciting flavor variation while still roasting beautifully. Dairy-Free: Use coconut cream or almond milk for a lighter, dairy-free sauce. Just remember to enhance the seasoning for flavor balance. Herb Play: Swap fresh rosemary with thyme or tarragon for a different aromatic twist. These variations add a lovely fragrance to the dish that’s equally comforting. Flavor Boost: Add a splash of white wine to the sauce for richness, allowing it to simmer before coating the cod. This will elevate your dish and create a more robust flavor. Spice It Up: Increase the heat by adding jalapeños or crushed red pepper flakes. This adds warmth and excitement, perfect for those who enjoy a kick in their meals! Nutty Texture: Toasted pine nuts or slivered almonds can be sprinkled on top just before serving for added crunch. This nutty addition complements the creaminess splendidly. Garnish Variations: Instead of parsley, use fresh chives or dill as a garnish. Their unique flavors can provide a refreshing finish to this hearty dish. For those who love a comforting meal, consider pairing it with a side of Baked Smashed Potatoes or create delightful leftovers by turning them into a savory pie! Enjoy experimenting in the kitchen and make something truly yours! What to Serve with One-Dish Creamy Rosemary Cod with Yukon Gold Potatoes Elevate your cozy dinner experience with sides that perfectly complement this rich, creamy dish and add delightful variety. Steamed Asparagus: The crispness and slight bitterness of asparagus contrast beautifully with the creamy sauce, adding a fresh pop to your plate. Garlic Bread: A warm, garlic-infused loaf provides a crunchy texture and is perfect for sopping up every last bit of that delicious rosemary cream sauce. Mixed Green Salad: A light, refreshing salad with a zesty vinaigrette balances the richness, offering a bright and vibrant addition to your meal. Roasted Carrots: Sweet, caramelized roasted carrots add an earthy flavor and sweetness that beautifully complements the savory notes of the cod. Lemon Rice: Fluffy rice with citrus notes enhances the dish while providing a neutral base that absorbs the flavors of the sauce wonderfully. Herb-Infused Quinoa: Nutty quinoa with fresh herbs adds a nutritious and textural contrast that pairs seamlessly with the creamy cod and potatoes. Chilled White Wine: A crisp Sauvignon Blanc or Chardonnay chills the palate and elevates the dining experience, ensuring each bite is as refreshing as the last. Apple Crisp: End your meal on a sweet note with a warm apple crisp, featuring a buttery crumble that provides a delightful contrast to the savory main course. Expert Tips for Cod & Potatoes in Rosemary Cream Sauce • Sauce Consistency: Ensure the sauce thickens properly; it should coat the back of a spoon for the best texture. • Prep Ahead: Consider making the rosemary cream sauce in advance to enhance flavors and just reheat it when needed. • Capers Alternatives: If you’re skipping capers, try adding a splash of vinegar for a tangy note that balances the creaminess of the dish. • Storage Guidance: Store leftovers in an airtight container in the refrigerator for 2–3 days to maintain freshness and flavor. • Flavor Boosting: Feel free to adjust the seasonings; adding more lemon zest can brighten up the flavor of the Cod & Potatoes in Rosemary Cream Sauce! Make Ahead Options These cozy Cod & Potatoes in Rosemary Cream Sauce are perfect for busy weeknights! You can prepare the rosemary cream sauce up to 24 hours in advance; simply refrigerate it in an airtight container. Additionally, you can chop the Yukon gold potatoes and toss them with olive oil, salt, and pepper, keeping them fresh in the fridge for a day to prevent them from browning. When you’re ready to cook, just roast the potatoes as outlined in the recipe, layer with cod, and pour the sauce over before baking. This way, you’ll have a comforting meal ready with minimal effort and maximum flavor! Cod & Potatoes in Rosemary Cream Sauce Recipe FAQs How do I choose the best cod fillet? When selecting cod, look for fillets that are moist and slightly translucent with a bright white color. Avoid pieces that appear dull or have dark spots all over. Fresh cod should also have a mild ocean scent, not a strong fishy smell. If frozen, ensure it is solid with no signs of freezer burn. What is the best way to store leftovers? Absolutely! Store any leftover Cod & Potatoes in Rosemary Cream Sauce in an airtight container in the refrigerator for up to 3 days. To reheat, do so gently on the stove over low heat or in the microwave, making sure not to overcook the fish, which can lead to dryness. Can I freeze this dish? If so, how? Yes, you can freeze the sauce separately from the cod and potatoes for optimal freshness. Allow everything to cool completely, then place the sauce in an airtight container for up to 1 month. When ready to enjoy, thaw it overnight in the fridge and reheat gently on low heat, stirring occasionally until warmed through. If you prefer to freeze the entire dish, wrap it tightly with plastic wrap, then foil, to prevent freezer burn. What should I do if my sauce isn’t thickening? If your rosemary cream sauce isn’t thickening, there are a few options. Continue simmering it on low heat for a little longer, as this allows time for the flavors to concentrate and the sauce to thicken. You can also mix a teaspoon of cornstarch with a tablespoon of cold water to create a slurry and stir it into the sauce while it simmers—this will help achieve that velvety texture. Just be sure to simmer a little longer after adding the cornstarch to fully cook it through. Are there any dietary considerations I should be aware of? Yes! This dish includes creamy ingredients that may not be suitable for dairy-free diets. You can substitute heavy cream with coconut milk or a dairy-free cream for a similar richness. Keep in mind that capers may trigger allergies, and you can omit or substitute them with chopped green olives if needed. Always double-check ingredient labels if allergies are a concern. What are some alternative ingredients I can use? Very! Feel free to swap out cod for haddock, halibut, or even tilapia based on your preference. If you’re exploring potato alternatives, try sweet potatoes or turnips for a different texture and taste. You can also use half-and-half or whole milk in place of heavy cream for a lighter sauce. Cozy Cod & Potatoes in Rosemary Cream Sauce for Dinner Delight This comforting Cod & Potatoes in Rosemary Cream Sauce combines tender cod and buttery Yukon gold potatoes for a delicious and easy dinner. Print Recipe Pin Recipe Prep Time 10 minutes minsCook Time 30 minutes minsTotal Time 40 minutes mins Servings: 4 platesCourse: DinnerCuisine: AmericanCalories: 500 Ingredients Equipment Method Nutrition Notes Ingredients 1x2x3x? For the Dish2 tablespoons extra-virgin olive oil Can substitute with avocado oil.4 medium Yukon gold potatoes Can substitute with red or russet potatoes.1 teaspoon kosher salt Sea salt can be used as an alternative.1 dash black pepper Use freshly cracked for better flavor.2 tablespoons salted butter Unsalted butter can be used if preferred.1 medium shallot Onions or leeks can be substituted.2 cloves garlic Fresh garlic is preferable.1 cup heavy cream Can substitute with half-and-half or whole milk.1 cup chicken or fish stock Vegetable stock offers a lighter flavor.2 tablespoons fresh rosemary Can use ½ teaspoon dried rosemary.1 teaspoon lemon zest Lime zest can also be used.1 tablespoon fresh lemon juice Vinegar can be used as a substitute.1 teaspoon Dijon mustard Yellow mustard can be used instead.1/4 teaspoon ground cayenne pepper Adjust to taste or omit for less spice.2 tablespoons capers Omit or substitute with chopped green olives if desired.1 pound cod fillet Can substitute with haddock, halibut, or tilapia.1 tablespoon fresh parsley Optional for garnish; can use dried parsley. Equipment 8×8 baking dishMedium SaucepanLarge Bowl Method Step-by-Step InstructionsPreheat your oven to 450°F (230°C) and grease an 8×8 baking dish with olive oil.Toss Yukon gold potatoes with olive oil, kosher salt, and black pepper. Spread in the baking dish and roast for about 20–25 minutes.Melt salted butter and olive oil in a saucepan over medium heat. Sauté shallots for 5 minutes, then add minced garlic and cook for an additional minute.Stir in heavy cream, stock, rosemary, lemon zest, lemon juice, mustard, cayenne pepper, and capers. Simmer for about 5 minutes.Once potatoes are roasted, season cod fillets and arrange on top of potatoes. Pour sauce over everything.Bake uncovered for 10–15 minutes until the cod flakes easily with a fork.Garnish with parsley before serving warm straight from the dish. Nutrition Serving: 1plateCalories: 500kcalCarbohydrates: 35gProtein: 30gFat: 30gSaturated Fat: 15gPolyunsaturated Fat: 5gMonounsaturated Fat: 5gCholesterol: 100mgSodium: 800mgPotassium: 900mgFiber: 3gSugar: 1gVitamin A: 500IUVitamin C: 15mgCalcium: 100mgIron: 2mg NotesThis recipe is perfect for a cozy dinner and offers great opportunities for customization with different fish or root vegetables. Store leftovers in an airtight container for up to 3 days. Tried this recipe?Let us know how it was!