There’s something magical about the sizzle of garlic hitting hot olive oil; it instantly transforms the kitchen, evoking feelings of warmth and comfort. As I prepared for a busy weeknight dinner, I found solace in creating a dish that feels indulgent yet is effortlessly easy: Baked Salmon with Spinach and Mozzarella.
This recipe beautifully marries the tender, flaky goodness of salmon with a luscious, creamy spinach mixture topped with gooey melted mozzarella. Not only is this dish low-carb, but it also packs a nutritional punch with heart-healthy omega-3 fatty acids. In just 40 minutes, you can have a meal on the table that impresses both family and guests, all while keeping that stressful dinner rush at bay.
Imagine the delightful aroma wafting through your home, inviting everyone to gather around the table. Let’s dive into this easy, flavorful recipe that turns an ordinary dinner into a lovely occasion, all in the comfy confines of your kitchen.
Why is Baked Salmon with Spinach so popular?
Nutrient-Rich Delight: This dish is loaded with heart-healthy omega-3 fatty acids, perfect for a nourishing meal.
Quick and Easy: With just a 40-minute prep time, it’s perfect for weeknight dinners.
Flavor Explosion: The blend of creamy spinach and melted mozzarella creates an indulgent topping that elevates the salmon.
One-Pan Wonder: Minimal clean-up is required, making your post-dinner routine a breeze.
Family Favorite: This recipe is sure to please both adults and kids, turning dinner into a delightful experience.
Prepare this easy dish and serve it alongside a light salad or roasted veggies for a well-rounded meal that feels special.
Baked Salmon with Spinach Ingredients
For the Salmon
• Salmon Fillet – Look for vibrant pink color; it’s the star of this Baked Salmon with Spinach dish.
• Salt and Pepper – Essential for bringing out the flavors; adjust based on your taste preference.
For the Spinach Mixture
• Spinach – Adds a nutritious boost; you can use frozen spinach if thawed and drained well.
• Onion – Enhances the flavor; yellow or white onions work perfectly.
• Garlic – Fresh garlic offers maximum flavor; dried garlic can be substituted if necessary.
• Sour Cream – Provides creaminess to the spinach; Greek yogurt makes a lighter alternative.
For the Topping
• Mozzarella – Melts beautifully for a gooey topping; try Gouda for a unique flavor twist.
• Olive Oil – Used for sautéing; can be swapped with canola or grapeseed oil if desired.
How to Make Baked Salmon with Spinach
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Sauté Aromatics: Heat olive oil in a skillet over medium heat. Add sliced onions and sauté for 3-4 minutes until they’re translucent. Then, toss in minced garlic and cook for an additional 30 seconds until fragrant.
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Add Spinach: Mix in thawed and drained spinach into the skillet. Cook for about 2-3 minutes until heated through, then season generously with salt and pepper. Fold in the sour cream until the mixture is creamy.
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Prepare Salmon: Preheat your oven to 175°C (347°F). Season the salmon fillets with salt and pepper. Sear both sides in a pan for 2 minutes to lock in moisture, leaving the center slightly raw for optimal Texture.
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Assemble Dish: Place the salmon skin-side down in a greased baking dish. Top each fillet generously with the creamy spinach mixture, and sprinkle mozzarella cheese all over.
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Bake: Bake in the preheated oven for 15-20 minutes. The salmon should be opaque while the cheese on top is golden and bubbly. Aim for an internal temperature of 63°C (145°F).
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Serve: Allow the dish to rest briefly after baking. Then, plate the salmon along with the cheesy spinach mixture for a colorful, appetizing presentation everyone will love.
Optional: Serve with a fresh garden salad or roasted asparagus for a balanced meal.
Exact quantities are listed in the recipe card below.

How to Store and Freeze Baked Salmon with Spinach
Fridge: Store leftovers in an airtight container for up to 2 days to maintain freshness.
Freezer: If you need to freeze the Baked Salmon with Spinach, wrap it tightly in plastic wrap and aluminum foil. It can be kept for up to 2 months.
Reheating: For best results, reheat in the oven at 175°C (347°F) until warmed through, avoiding the microwave to prevent drying out.
Prep Ahead: You can prepare the spinach mixture up to 24 hours in advance and refrigerate; just assemble and bake when ready.
Baked Salmon with Spinach Variations
Invite your creativity into the kitchen to elevate this dish with some delightful twists.
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Kale Replacement: Swap spinach with kale for a heartier, nutrient-dense option; simply sauté until wilted.
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Herb Infusion: Add chopped fresh herbs like dill or basil to the spinach mixture for a burst of flavor and freshness.
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Cheese Swap: Use Gouda or feta cheese instead of mozzarella to introduce new flavor profiles; creamy goat cheese can also be a delightful alternative.
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Spice It Up: Sprinkle red pepper flakes or cayenne pepper into the spinach for a subtle kick of heat; this adds an exciting flavor dimension.
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Lemon Zest: Grate lemon zest into the spinach mixture before baking for a bright, zesty contrast that freshens up the dish.
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Nutty Crunch: Top the cheesy spinach with toasted breadcrumbs or crushed nuts before baking; they add a delightful crunch that enhances texture.
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Vegan Version: Substitute salmon with marinated tofu and use nutritional yeast in place of cheese for a plant-based option that’s just as satisfying.
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Smoky Flavor: Add smoked paprika to the spinach for a smoky undertone that perfectly complements the salmon’s richness.
Expert Tips for Baked Salmon with Spinach
- Choose Quality Salmon: Look for fillets with a vibrant pink hue and moist texture. Fresh salmon will ensure a richer flavor in your Baked Salmon with Spinach.
- Don’t Overcook: For a tender, flaky texture, sear the salmon just enough to lock in moisture. Aim for a slightly raw center before baking.
- Use Fresh Ingredients: Fresh garlic and onions will elevate the dish’s flavor immensely compared to dried alternatives. They add aromatic depth to the spinach mix.
- Monitor Baking Time: Keep an eye on the salmon while it bakes; overcooking can dry out the fish. Use a meat thermometer for best results, targeting an internal temperature of 63°C (145°F).
- Creative Variations: Feel free to swap out spinach for kale or add herbs for a unique flavor profile. Mixing cheeses can also refresh the dish’s taste while maintaining its heart-healthy essence.
What to Serve with Baked Salmon with Spinach and Mozzarella?
Elevate your dining experience with delightful sides that perfectly accompany the rich flavors of this heart-healthy dish.
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Creamy Mashed Potatoes: The buttery texture complements the flaky salmon, soaking up any delicious juices and creating a comforting plate.
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Crisp Garden Salad: A refreshing mix of greens and veggies adds a crunchy contrast, balancing the creamy spinach and enhancing the meal’s overall freshness.
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Roasted Asparagus: With a smoky char and tender bite, these vibrant spears provide a delightful crunch and earthy flavor that pairs beautifully with the dish.
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Quinoa Salad: Light and nutty, quinoa adds a nutritious twist with its protein-packed nature, making it a wholesome companion to the salmon.
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Garlic Bread: Crunchy and buttery, this classic side can soak up the savory juices, creating a satisfying texture contrast with every bite.
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Lemon-Dill Rice: The zesty flavor of lemon and aromatic dill complements the salmon, providing a bright, vibrant flavor that rounds out the meal beautifully.
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White Wine: A chilled glass of white wine, such as Sauvignon Blanc, enhances the freshness of the salmon, leading to an elevated dining experience worth savoring.
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Chocolate Mousse: End your meal on a sweet note! The rich, velvety texture of chocolate mousse creates a delightful finish after the savory salmon.
Make Ahead Options
These Baked Salmon with Spinach and Mozzarella are perfect for busy home cooks looking to streamline their weeknight dinners! You can prepare the creamy spinach mixture up to 24 hours in advance; simply cook it as directed and store it in an airtight container in the refrigerator. This allows the flavors to meld beautifully. When you’re ready to bake, just season your salmon fillets, sear them, and top with the chilled spinach mixture and mozzarella before popping it in the oven. This method not only saves you time but ensures that dinner comes together effortlessly, with all the deliciousness intact—just as satisfying as if you had made it from scratch that same day!

Baked Salmon with Spinach Recipe FAQs
How do I choose the best salmon for this recipe?
Absolutely! Look for salmon fillets that exhibit a vibrant pink color and moist texture, steering clear of any dark spots. Freshness is key to maximizing flavor, so when possible, opt for wild-caught salmon over farm-raised varieties for their richer taste and nutrients.
How should I store leftover Baked Salmon with Spinach?
Very! Store any leftover salmon in an airtight container in the refrigerator for up to 2 days. To keep it fresh and avoid drying out, reheat it in the oven at 175°C (347°F) until warmed through, as microwaving can lead to a rubbery texture.
Can I freeze Baked Salmon with Spinach?
Of course! To freeze, wrap the dish tightly in plastic wrap followed by aluminum foil, ensuring no air is trapped. It can be safely stored in the freezer for up to 2 months. When you’re ready to enjoy, thaw in the refrigerator overnight and reheat in the oven for best results.
What if my spinach mixture turns out watery?
No worries! If you find your spinach is too watery after cooking, you can strain it through a fine mesh sieve or cheesecloth to remove excess moisture. Also, ensure that any frozen spinach is thoroughly thawed and well-drained before adding it to the skillet.
Is this dish suitable for people with dairy allergies?
The Baked Salmon with Spinach can certainly be modified! If you’re catering to dairy allergies, substitute sour cream with coconut yogurt or a cashew-based cream for creaminess, and opt for vegan cheese or nutritional yeast in place of mozzarella. These alternatives will still provide delicious flavor without compromising dietary needs.
How can I prep this dish ahead of time?
Great question! You can prepare the spinach mixture up to 24 hours in advance. Simply sauté the onions, garlic, and spinach, then mix in your sour cream and seasonings. Store it in an airtight container in the refrigerator. When it’s time for dinner, just assemble the salmon and oven-bake for a quick meal!

Savory Baked Salmon with Spinach for a Healthy Weeknight Delight
Ingredients
Equipment
Method
- Heat olive oil in a skillet over medium heat. Add sliced onions and sauté for 3-4 minutes until they're translucent. Toss in minced garlic and cook for an additional 30 seconds.
- Mix in thawed and drained spinach into the skillet. Cook for about 2-3 minutes, season generously with salt and pepper, and fold in the sour cream.
- Preheat your oven to 175°C (347°F). Season the salmon fillets with salt and pepper. Sear both sides in a pan for 2 minutes.
- Place the salmon skin-side down in a greased baking dish. Top each fillet with the creamy spinach mixture and mozzarella.
- Bake in the preheated oven for 15-20 minutes until salmon is opaque and cheese is golden and bubbly.
- Allow the dish to rest briefly before serving with the cheesy spinach mixture.





