The enticing aroma of sautéed onions and garlic fills the kitchen as I prepare to unveil my favorite weeknight meal: Baked Salmon with Spinach and Mozzarella. This dish is not only a feast for the senses but also a wholesome choice, being low-carb and heart-healthy. In just 40 minutes, you can enjoy a colorful plate that’s as visually stunning as it is delicious, perfect for impressing family or unwinding after a long day. The creamy spinach topping, enhanced by the gooey mozzarella, offers comfort and satisfaction without the guilt of fast food. Ready to dive into this delightful recipe and make your evenings a little more special? Let’s get cooking!

Why is this salmon recipe a must-try?
Simplicity: The recipe requires minimal effort yet delivers maximum flavor, making it perfect for busy weeknights.
Heart-Healthy: Packed with omega-3 fatty acids from salmon and nutritious spinach, this dish supports a healthy lifestyle without sacrificing taste.
Quick-to-Make: In just 40 minutes, you’ll have a gourmet meal ready to impress, ideal for those tired of fast food habits.
Versatile: Feel free to swap spinach for kale or switch up the cheese to keep things exciting.
Crowd-Pleasing: Its rich, creamy topping combined with flaky salmon makes it a hit for family dinners or entertaining guests.
Discover how this dish can stand alongside other great recipes like Baked Cod Flavorful for your weekly dinner rotation!
Baked Salmon with Spinach Ingredients
• For the Salmon
- Salmon Fillet – Choose fresh fillets with a vibrant pink color for the best taste and texture.
- Salt and Pepper – Essential for seasoning; adjust according to your flavor preference.
• For the Spinach Mixture
- Spinach (Frozen or Fresh) – Adds moisture and nutrition; if using frozen, ensure it’s properly thawed and drained.
- Onion – Sauté until translucent to enhance flavor; either yellow or white onions work well.
- Garlic (Minced) – Freshly minced garlic offers the best flavor; dried garlic can be a quick substitute.
- Sour Cream – Provides creaminess to the spinach; feel free to swap it with Greek yogurt for a low-fat option.
• For the Topping
- Mozzarella Cheese – Creates a gooey, delightful crust; consider Gouda for a unique twist in flavor.
- Olive Oil – Necessary for sautéing; alternative oils like canola or grapeseed can also be used.
Now that you’re all set with the ingredients, let’s move on to the next steps to bring your delicious Baked Salmon with Spinach to life!
Step‑by‑Step Instructions for Baked Salmon with Spinach
Step 1: Sauté Aromatics
Begin by heating 2 tablespoons of olive oil in a skillet over medium heat. Add 1 sliced onion and sauté for about 3-4 minutes, until they become translucent and fragrant. Next, stir in 2 minced garlic cloves and continue cooking for 30 seconds, allowing the delicious aroma to fill your kitchen and ensuring you don’t burn the garlic.
Step 2: Add Spinach
Now, incorporate 2 cups of thawed and drained spinach into the skillet with the sautéed onions and garlic. Cook for 2-3 minutes, stirring frequently, until the spinach is heated through and well combined with the aromatics. Season the mixture lightly with salt and pepper, then mix in ½ cup of sour cream, creating a creamy consistency that will enhance your Baked Salmon with Spinach.
Step 3: Prepare Salmon
Preheat your oven to 175°C (347°F) to get it ready for baking. While it heats, take 2 fresh salmon fillets and season both sides generously with salt and pepper. In a separate pan, sear the salmon fillets over medium-high heat for 2 minutes on each side. This quick searing locks in moisture, giving you a juicy salmon that complements the creamy topping beautifully.
Step 4: Assemble Dish
In a greased baking dish, place the seared salmon fillets skin-side down. Spread the creamy spinach mixture evenly on top of the salmon, ensuring each piece is well covered. Finally, sprinkle a generous amount of shredded mozzarella cheese over the spinach layer, ready to create a deliciously gooey topping as it bakes in the oven.
Step 5: Bake
Transfer the assembled salmon dish into your preheated oven and bake for 15-20 minutes. Keep an eye on the cheese as it melts and turns golden brown; the salmon should flake easily with a fork when it’s done. This visual cue ensures your Baked Salmon with Spinach is cooked to perfection and ready to be served.
Step 6: Serve
Allow the baked salmon to rest for a couple of minutes after removing it from the oven. This resting time lets the flavors meld together beautifully. Plate the salmon with the creamy spinach topping still intact, providing a visually stunning dish that’s full of flavor and ready to impress your loved ones at dinner.

Baked Salmon with Spinach Substitutions
Feel free to make this heart-healthy dish even more your own with these delightful twists and swaps!
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Dairy-Free: Swap mozzarella with a non-dairy cheese option or simply use nutritional yeast for a cheesy flavor without the dairy.
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Kale Power: Substitute spinach with fresh or sautéed kale for a bolder, earthy flavor that packs a nutritional punch.
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Herb Infusion: Add fresh herbs like dill or basil to the spinach mixture for a burst of freshness that elevates every bite.
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Cheese Adventure: Experiment with different cheeses like Gouda or feta; both will transform the flavor profile while keeping it creamy.
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Garlic Lovers: For a richer garlic flavor, try roasting whole garlic cloves and mixing them into your spinach for an aromatic twist.
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Spice it Up: If you like a bit of heat, add a pinch of red pepper flakes or a dash of cayenne pepper to the spinach mixture for a spicy kick.
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Nutty Crunch: Toss in some toasted pine nuts or walnuts for a delightful crunch that contrasts beautifully with the soft salmon and creamy topping.
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Meal Prep Friendly: Assemble the dish a day ahead, letting the flavors meld overnight; then just pop it in the oven for a fuss-free meal.
Looking for other delicious options? Consider pairing this with Baked Cod Flavorful or explore a twist with Shrimp Stuffed Salmon for your next dinner!
What to Serve with Irresistible Baked Salmon with Spinach and Mozzarella
Elevate your dining experience with perfectly paired sides that complement the delectable flavors of your salmon masterpiece!
- Creamy Mashed Potatoes: Their velvety texture balances the flaky salmon, making each bite a comforting delight.
- Crisp Garden Salad: A refreshing mix of greens and light dressing adds brightness, contrasting beautifully with the rich spinach and mozzarella.
- Roasted Asparagus: Tender and slightly charred, asparagus brings an earthy flavor that enhances the dish’s heart-healthy theme.
- Lemon Quinoa: This zesty grain adds a nutty flavor and a wholesome touch, creating a delightful harmony with the salmon.
- Garlic Bread: Perfectly toasted and buttery, it offers a satisfying crunch, perfect for soaking up the creamy spinach topping.
- Herbed Couscous: Light and fluffy, tossed with fresh herbs, it adds a lovely texture while remaining easy to prepare.
- Light White Wine Spritzer: This refreshing drink pairs well with the dish, cutting through the richness and adding a spark of brightness.
- Fruit Sorbet: A refreshing finish, its fruity sweetness provides a light, cleansing contrast to the savory salmon.
- Grilled Vegetables: Colorful and smoky, they add depth and are simple to prepare, making them a beautiful addition to the meal.
- Zucchini Noodles: A low-carb alternative, they introduce lightness while enhancing the meal’s healthful appeal.
How to Store and Freeze Baked Salmon with Spinach
Fridge: Store leftover Baked Salmon with Spinach in an airtight container for up to 2 days to maintain freshness and flavor.
Freezer: For longer storage, wrap portions tightly in plastic wrap and place them in a freezer-safe bag for up to 3 months.
Reheating: Thaw frozen salmon in the fridge overnight. Reheat in the oven at 175°C (347°F) for about 10-15 minutes until warmed through.
Freshness Tip: To ensure the best taste, consume within the recommended timeframes; salmon may lose quality if kept too long.
Make Ahead Options
These Baked Salmon with Spinach are perfect for meal prep enthusiasts! You can assemble the entire dish up to 24 hours in advance, allowing for a stress-free dinner on busy nights. To prepare ahead, sauté the onions and garlic as instructed, then mix in the spinach and sour cream before spreading the mixture over the salmon fillets in a greased baking dish. Cover tightly with plastic wrap and refrigerate. When ready to enjoy, simply preheat your oven and bake the salmon for 15-20 minutes until the cheese is bubbly and golden. This method ensures your salmon is just as delicious, saving you precious time without sacrificing flavor!
Expert Tips for Baked Salmon with Spinach
Moisture Retention: Always sear the salmon just until golden for juiciness; slightly undercooking helps lock in moisture.
Perfect Doneness: Use a meat thermometer to ensure the salmon reaches 63°C (145°F) for safe and ideal texture.
Flavor Boost: Adding fresh herbs like dill or parsley can elevate the flavor profile of your Baked Salmon with Spinach, giving it a refreshing touch.
Cheese Variation: Try other cheeses like feta or goat cheese for an exciting twist on the classic mozzarella topping.
Prep Ahead: Assemble the dish a day in advance and refrigerate it; just pop it in the oven for a hassle-free dinner.

Baked Salmon with Spinach Recipe FAQs
What should I look for when selecting salmon fillets?
Absolutely! When choosing salmon fillets, look for vibrant pink or orange flesh, which indicates freshness. The fillets should also have a slight sheen and no dark spots; this is a sign of high quality. Fresh fish should smell clean and light, not overly “fishy.” If you’re at a market, don’t hesitate to ask for the freshest catch of the day!
How can I store leftover baked salmon?
Very simple! Store your leftover Baked Salmon with Spinach in an airtight container in the refrigerator for up to 2 days. Be sure to allow it to cool to room temperature before storing to prevent condensation, which can lead to sogginess. When ready to eat, just reheat gently in the oven or microwave to maintain the flaky texture.
Can I freeze baked salmon, and if so, how?
Absolutely, freezing is a great option! To freeze your Baked Salmon with Spinach, wrap each portion tightly in plastic wrap, ensuring it’s sealed well to avoid freezer burn. Place the wrapped salmon in a freezer-safe bag or container, and it will stay fresh for up to 3 months. When you’re ready to enjoy, simply thaw it in the refrigerator overnight before reheating.
What should I do if the salmon is overcooked?
If you find your salmon is slightly overcooked, don’t fret! You can easily rescue it by adding a drizzle of olive oil or a spoonful of lemon butter on top to reintroduce moisture. Additionally, serving the salmon with a creamy sauce or dressing can help mask any dryness, ensuring a delicious meal. Remember, the key is to cook it just until the salmon flakes easily when poked with a fork.
Is this recipe suitable for anyone with dairy allergies?
Very! To make the Baked Salmon with Spinach dairy-free, simply substitute the sour cream and mozzarella cheese with plant-based alternatives. For a creamy texture, coconut yogurt or cashew cream work wonderfully, and vegan cheese options can deliver the gooeyness needed on top. Always double-check labels if serving others with allergies!
How can I ensure the spinach is properly incorporated?
When using fresh spinach, wash and chop it before cooking to ensure it wilts down properly. If using frozen spinach, thaw it in advance and drain it thoroughly to avoid excess water in your dish. This step is crucial as it prevents a watery topping, ensuring that your creamy spinach mixture adheres beautifully to the salmon!

Savory Baked Salmon with Spinach for a Healthy Dinner Delight
Ingredients
Equipment
Method
- Heat 2 tablespoons of olive oil in a skillet over medium heat. Add 1 sliced onion and sauté for about 3-4 minutes until translucent and fragrant.
- Stir in 2 minced garlic cloves and cook for 30 seconds.
- Add 2 cups of thawed spinach and cook for 2-3 minutes, stirring frequently.
- Season with salt and pepper, then mix in 1/2 cup of sour cream.
- Preheat oven to 175°C (347°F). Season 2 salmon fillets with salt and pepper.
- Sear the salmon in a separate pan over medium-high heat for 2 minutes on each side.
- Place the seared salmon fillets skin-side down in a greased baking dish. Spread the creamy spinach mixture on top.
- Sprinkle 1 cup of shredded mozzarella cheese over the spinach.
- Bake for 15-20 minutes until cheese is melted and golden.
- Allow to rest for a couple of minutes before serving.

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