Chicken Spinach and Mushroom Low-Carb Casserole

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Sometimes, you just need a dish that feels like comfort in a casserole dish—and Chicken Spinach and Mushroom Low-Carb Casserole is exactly that. Warm, creamy, and packed with flavor, this is one of those “dump it, bake it, devour it” kind of recipes that busy weeknights (and tired moms) dream of.

Whether you’re trying to cut back on carbs, feed a picky crowd, or just want something satisfying without standing over the stove all night, this recipe is here to save the day. Trust me, it’s like a cozy blanket for your dinner table—and yes, it is picky-eater approved.

Why You’ll Love This Chicken Spinach and Mushroom Low-Carb Casserole

This isn’t your average low-carb dinner. Here’s why it stands out:

One pan, minimal mess: Less cleanup = more time for you.
Low-carb without sacrificing flavor: Creamy, cheesy, and full of savory bites.
Great for meal prep: It reheats like a dream.
Family-friendly: Even the spinach-haters in my house ask for seconds.

Ingredients You’ll Need

Gather your cozy casserole crew:

6 thin-sliced chicken breasts
1 container (8 oz) green onion cream cheese
¼ cup olive oil
½ cup chicken broth
1 large package of sliced mushrooms
1 small bag of fresh baby spinach
1 dash Weber Herb and Garlic Seasoning
8 oz shredded mozzarella cheese
Salt and pepper to taste

Let’s Make This Creamy Casserole Magic

Ready to bring some low-carb comfort to the table? Here’s how:

Preheat the oven to 375°F (190°C). Give your 13×9-inch baking dish a quick spray or brush of olive oil if you’re feeling fancy.
Lay the chicken breasts in a single layer in the dish. Sprinkle with salt, pepper, and that flavorful dash of Weber Herb and Garlic Seasoning.
In a skillet, sauté the mushrooms with a touch of olive oil until they’re soft and golden. Your kitchen will already smell amazing.
Spread the mushrooms on top of the chicken, then top with a generous handful of fresh baby spinach.
In a bowl, mix the green onion cream cheese, olive oil, and chicken broth until it becomes a rich, pourable sauce. No need for perfection—just stir until smooth-ish.
Pour the sauce over the chicken, mushrooms, and spinach. Don’t worry if it looks a little messy—it all comes together beautifully in the oven.
Cover loosely with foil (don’t seal it tight) and bake for 20 minutes.
Remove the foil and bake for another 20 minutes. Almost there!
Sprinkle with mozzarella cheese and pop it back in the oven for 5–10 more minutes, until the cheese is melted and just starting to brown around the edges.
Serve hot and let the compliments roll in.

Tips for Making It Even Easier

Short on time? Use pre-cooked or rotisserie chicken. Just reduce the bake time by about 10 minutes.
No green onion cream cheese? Mix plain cream cheese with a chopped green onion or two. Easy swap!
Want a little crunch? Top with a few crushed pork rinds or almond flour breadcrumbs before the cheese.
Feeding a crowd? Double the recipe and use a larger casserole dish—it’s perfect for potlucks or family nights.

A Little Story From My Kitchen

I first whipped up this Chicken Spinach and Mushroom Low-Carb Casserole when I was trying to make something hearty for my family without falling back on pasta (again). I was skeptical—would the kids go for mushrooms and spinach? But let me tell you, after one bite, everyone at the table was suddenly a spinach fan. My husband even asked, “Is this really low-carb?” That’s when I knew we had a keeper.

Chicken Spinach and Mushroom Low-Carb Casserole with melted cheese and sautéed vegetables in a creamy sauce — A rich and cheesy bite of Chicken Spinach and Mushroom Low-Carb Casserole—comfort food made low-carb and delicious!

FAQs About This Chicken Spinach and Mushroom Low-Carb Casserole

Can I use frozen spinach?

Yep! Just thaw it first and squeeze out the extra water so your casserole doesn’t turn into soup.

How do I store leftovers?

Let the casserole cool, then store it in an airtight container in the fridge for up to 4 days. It reheats beautifully in the microwave or oven.

Can I make this dairy-free?

You can try using dairy-free cream cheese and cheese alternatives—just know the texture might change slightly. Still tasty!

Is it keto-friendly?

Absolutely! It’s low in carbs and high in protein and fat—perfect for your keto goals.

Conclusion

Whether you’re juggling work, school drop-offs, or just need a break from takeout, this Chicken Spinach and Mushroom Low-Carb Casserole is your cozy kitchen hero. It’s comforting, simple, and full of that homemade goodness we all crave. Give it a try this week—and don’t be surprised if it earns a permanent spot in your meal rotation.

Happy cooking,

Explore More Low-Carb and Comforting Chicken Favorites

If you loved this Chicken Spinach and Mushroom Low-Carb Casserole, there’s a whole world of cozy, satisfying chicken dishes waiting for you at Chicken Magic Recipes. Whether you’re looking to stay on track with your low-carb goals or just craving a warm and cheesy meal, here are some recipes you won’t want to miss:

For a tangy twist on comfort food, try our Balsamic Baked Chicken Breast with Mozzarella Cheese—a juicy, cheesy dinner that’s perfect for any night of the week.
If you’re craving something Mediterranean-inspired with a cheesy crunch, our Baked Chicken with Crispy Feta and Vinaigrette is packed with bold flavor and simple ingredients.
For a similar spinach-and-cheese profile, you’ll love the Spinach Ricotta Chicken—creamy, comforting, and low in carbs.
And don’t miss our ultimate dinner winner: Greek Chicken Casserole, a one-dish wonder filled with herbs, veggies, and melty cheese.

Click around, explore more flavors, and keep the low-carb magic going in your kitchen!