Chicken, Spinach, and Mushroom Low Carb Oven Dish (Creamy & Cheesy One-Pan Magic!)

First, let me say thank you. 💛 Thank you for being here, for making time to cook nourishing meals, and for trusting me with your dinner ideas! This Chicken, Spinach, and Mushroom Low Carb Oven Dish is a recipe I truly love sharing because it delivers comfort and balance — all baked into one creamy, bubbling, low-carb masterpiece.

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What Is This Recipe All About?

This dish is what I call "weeknight-friendly meets special occasion." It starts with tender chicken breasts layered under a bed of spinach and mushrooms, then blanketed in a green onion cream cheese sauce that's rich and tangy. Oh, and don’t forget the ooey-gooey mozzarella top — golden, bubbly, and everything you hope for in a baked dinner!

I promised you versatile, and here’s proof: it’s low-carb, keto-adaptable, gluten-free, meal-prep ready, AND a total crowd-pleaser. It’s hearty, satisfying, and makes you feel good without weighing you down.

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Why You’ll Love This Recipe

• ✅ Low in carbs, high in comfort
• 🧀 Creamy, cheesy, and perfectly seasoned
• 🍄 Packed with wholesome greens and mushrooms
• 💪 Protein-rich and super filling
• 🥘 Made in ONE dish — minimal cleanup!
• 📦 Great for leftovers and meal prepping
• 🔁 Flexible: add what you love, skip what you don’t

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What Does It Taste Like?

Imagine juicy chicken soaking up a garlic-herb infused cream sauce, dotted with spinach and earthy mushrooms. The flavor of green onion from the cream cheese punches through in the most subtle way, tying everything together. Then that cheesy topping? Pure golden melty joy.

Honestly, the smell when this is in the oven is incredible!!

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Health Benefits of This Dish

• 🌿 Low-carb/keto-friendly – only ~5g carbs per serving
• 🥩 High in protein – perfect post-gym or low-energy day meal
• 🧠 Healthy fats – olive oil, cream cheese, and cheese provide satiety
• 💚 Leafy greens & mushrooms – packed with fiber, vitamins, and antioxidants

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Ingredients You’ll Need 🛒

Here’s everything you’ll need:

• 6 thin-sliced chicken breasts – lean protein, quick to cook
• 1 small bag fresh baby spinach – tender and vibrant
• 1 large package sliced mushrooms – earthy and hearty
• 1 container green onion cream cheese – for a tangy, creamy sauce
• 1/4 cup olive oil – adds richness
• 1/2 cup chicken broth – brings it all together
• 1 dash pepper
• 1 dash herb and garlic seasoning – for depth and aroma
• 8 oz shredded mozzarella cheese – the golden topper

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Tools You’ll Need 🧂

• 9x13 baking dish
• Mixing bowl
• Whisk
• Foil
• Oven

Optional: Measuring cups, tongs, or a silicone spatula.

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Optional Additions & Substitutions 🔄

• Add zucchini or bell peppers for more color and fiber
• Switch to Swiss or provolone cheese for a more intense melt
• Use boneless chicken thighs for extra juiciness
• Try plant-based cream cheese and mozzarella for a dairy-free option
• Add a pinch of red pepper flakes if you like a little heat!

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How to Make This Chicken Spinach Mushroom Bake

🥄 Step-by-Step Instructions

Step 1: Preheat & Layer

• Preheat your oven to 375°F (190°C).
• Place chicken in a single layer in a greased 9x13 pan.
• Top with spinach, then evenly scatter mushrooms over top.

Step 2: Season

• Sprinkle with pepper and herb and garlic seasoning to taste.

Step 3: Make the Sauce

• In a mixing bowl, whisk softened green onion cream cheese with olive oil and chicken broth until smooth and pourable.

Step 4: Assemble & Bake

• Pour sauce over chicken and veggies, spreading evenly.
• Lay foil loosely over the top (don’t seal).
• Bake for 20 minutes.

Step 5: Uncover & Bake Again

• Remove foil and bake uncovered 20–25 more minutes, until veggies are tender and sauce thickens.

Step 6: Add Cheese & Finish

• Sprinkle mozzarella over the top.
• Return to oven for 10 minutes uncovered until cheese is golden and bubbly.

Step 7: Let Cool & Serve

• Let it rest for 10 minutes before slicing and serving — this helps the sauce set up beautifully.

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What to Serve It With 🍽️

This dish stands beautifully on its own, but here are a few low-carb pairing ideas:

• Cauliflower rice – to soak up that luscious sauce!
• Zucchini noodles – a light, pasta-style option
• Steamed broccoli or green beans
• Crisp side salad with lemon vinaigrette

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Tips for Success 🔥

• Soften the cream cheese before mixing — it blends much easier.
• Don’t over-bake the chicken! Thin cuts cook quickly.
• Add the cheese at the end, not the beginning, for the best texture and browning.
• If your sauce looks thin, let the dish rest longer after baking — it thickens as it cools.

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How to Store & Reheat

• Fridge: Store in airtight containers for up to 3 days.
• Freezer: Wrap tightly and freeze for up to 2 months.
• Reheat: Microwave single portions or reheat in the oven at 350°F until warmed through.

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Frequently Asked Questions (FAQ) ❓

Can I use frozen spinach?

Yes — just thaw and squeeze out as much moisture as possible.

Can I make it dairy-free?

Absolutely! Use dairy-free cream cheese and mozzarella alternatives.

Can I prep it ahead?

Yes! Assemble it up to 24 hours in advance and bake just before serving.

Is this freezer-friendly?

You bet! Assemble and freeze before baking, then thaw and cook as usual.

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Final Thoughts 💭

Whether you're eating low-carb or just craving a deeply satisfying baked dinner, this Chicken, Spinach, and Mushroom Oven Dish is anything but boring!! It’s creamy, cheesy, nourishing, and so simple to make. A true “dump and bake” wonder that you’ll want to add to your weeknight rotation — I promise.

If you make this dish, don’t forget to leave a review and pin your photos to Pinterest. I love seeing your kitchen creations and hearing your twists!

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Craving More?

If this dish hit the spot, here are a few other comfort-forward, veggie-packed recipes you’ll love:

• Garlic Butter Shrimp with Cauliflower Grits
• Cheesy Cauliflower Chicken Bake
• Creamy Zucchini and Chicken Skillet

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Nutritional Information (Approx. per Serving)

Nutrient	Amount
Calories	350 kcal
Carbohydrates	5g
Protein	30g
Fat	24g
Fiber	2g
Sugar	1g

Perfectly balanced for a satisfying, low-carb meal that tastes like it came straight from a cozy bistro.