If you’re searching for a cozy, nutrient-packed meal that’s both comforting and low in carbs, this Chicken, Spinach, and Mushroom Low-Carb Oven Bake Recipe is an absolute winner. It brings together tender chicken, earthy mushrooms, and vibrant spinach all bathed in a creamy, cheesy sauce that bakes to bubbling perfection. Whether you’re weeknight cooking or meal prepping, this dish feels like a warm hug on a plate while keeping things friendly to your dietary goals.

Ingredients You’ll Need
This recipe calls for a handful of straightforward ingredients, each playing a key role in building that rich, satisfying flavor and delightful texture. The freshness of the spinach adds color and nutrients, while the mushrooms offer a deep, savory earthiness. Together with tender chicken and creamy cheeses, this dish promises a beautiful balance that’s easy to assemble.
- 2 large chicken breasts: Cut into bite-sized pieces to ensure even cooking and ease of eating.
- 3 cups fresh spinach: Chopped for quick wilting and a fresh, vibrant green touch.
- 2 cups mushrooms: Sliced thin to release their moisture and develop a golden brown color.
- 1 cup shredded mozzarella cheese: Melts beautifully, providing gooey creaminess throughout.
- 1/2 cup grated Parmesan cheese: Adds a nutty, sharp finish on top when baked.
- 1/2 cup heavy cream: Brings richness and a silky texture to the sauce.
- 2 cloves garlic: Minced for depth and aromatic warmth.
- 1 small onion: Finely chopped for a gentle sweetness that complements the garlic.
- 2 tablespoons olive oil: For sautéing the aromatics and vegetables until tender.
- 1 teaspoon dried oregano: Infuses a herbaceous note that brightens the dish.
- 1 teaspoon dried thyme: Adds subtle earthiness and complexity.
- Salt and pepper to taste: Essential seasonings to balance and enhance all flavors.
How to Make Chicken, Spinach, and Mushroom Low-Carb Oven Bake Recipe
Step 1: Preheat and Prepare
Starting off, set your oven to 375°F (190°C). Preheating ensures that once your delicious mixture goes in, it cooks evenly and the cheese melts to a perfect golden brown crust that makes you want to dive in immediately.
Step 2: Sauté Aromatics
Warm the olive oil in a large skillet over medium heat. Toss in the finely chopped onion and minced garlic, allowing them to soften until translucent and fragrant, about 3-4 minutes. This step releases their natural sweetness and forms the flavor foundation of the dish.
Step 3: Cook the Mushrooms
Add your sliced mushrooms to the skillet next. Cooking them for 5-6 minutes helps their moisture evaporate so they develop a tender, slightly caramelized texture. This earthiness complements the creamy richness to come.
Step 4: Wilt the Spinach
Stir in the chopped fresh spinach and cook it down for around 2 minutes until it wilts just enough to marry well with the mushrooms and aromatics. Then, remove this flavorful veggie medley from the heat.
Step 5: Combine Chicken and Vegetables
In a large bowl, mix the bite-sized chicken pieces with your sautéed vegetables. Sprinkle in the dried oregano, thyme, and season with salt and pepper. This seasoning layer ties everything together and preps the chicken to soak up all those lovely flavors.
Step 6: Add Cream and Cheese
Pour in the heavy cream and add half of the mozzarella cheese to the bowl. Gently stir to combine, ensuring every piece of chicken and vegetable is enveloped in the luscious creamy mix that promises tender bites and a rich mouthfeel.
Step 7: Transfer to Baking Dish
Grease your baking dish lightly, then spread the mixture evenly inside. Top it with the remaining mozzarella and the grated Parmesan cheese. The double cheese topping is the secret to that irresistible bubbly, golden finish.
Step 8: Bake Until Perfect
Bake uncovered for 25-30 minutes in your preheated oven, until the chicken is fully cooked through, the creamy sauce bubbles up invitingly, and the cheese on top turns a gorgeous golden brown. The aroma alone will have you reaching for your plate!
How to Serve Chicken, Spinach, and Mushroom Low-Carb Oven Bake Recipe

Garnishes
To elevate your plate visually and flavor-wise, sprinkle freshly chopped parsley or basil on top just before serving. A light drizzle of extra virgin olive oil or a few flakes of crushed red pepper add a lovely brightness and slight heat if you like a little kick.
Side Dishes
This low-carb oven bake stands out on its own, but it pairs wonderfully with a crisp green salad dressed in lemon vinaigrette or some roasted garlic cauliflower mash. These sides enhance the meal’s freshness and keep the carb count low without sacrificing satisfaction.
Creative Ways to Present
For dinner parties, serve this bake in small ramekins to create individual portions that look elegant and give guests their own bubbly, cheesy medley. Alternatively, garnish with edible flowers or microgreens to impress with colorful, restaurant-style plating that feels special and inviting.
Make Ahead and Storage
Storing Leftovers
After enjoying this hearty dish, store any leftovers in an airtight container in the refrigerator. It will stay fresh for about 3-4 days, maintaining the creamy texture and savory notes if properly sealed.
Freezing
You can freeze the Chicken, Spinach, and Mushroom Low-Carb Oven Bake Recipe for up to 2 months. Portion it into freezer-safe containers before baking or after it has cooled to retain flavor and ensure easy reheating later on.
Reheating
To reheat, thaw frozen portions overnight in the fridge and warm gently in the oven at 350°F (175°C) until heated through and bubbly. Reheating in the microwave works too, but an oven helps maintain that delicious cheesy crust and even heating.
FAQs
Can I use chicken thighs instead of chicken breasts?
Absolutely! Chicken thighs will add a bit more juiciness and flavor due to their higher fat content. Just make sure they are cut into uniform pieces to cook evenly within the same time frame.
Is this recipe suitable for a keto diet?
Yes, this recipe is very keto-friendly as it is low in carbohydrates, packed with protein, healthy fats, and nutrient-dense veggies to support a ketogenic lifestyle.
Can I substitute the heavy cream with something else?
If you prefer a lighter option, coconut cream can be a great substitute, offering a subtle different flavor that still provides the creamy texture you want in this dish.
How can I make this dish spicier?
Add red pepper flakes when sautéing the mushrooms or include some diced jalapeños with the chicken mixture. You can also serve it with a hot sauce drizzle for extra heat on the side.
Is it possible to make this recipe dairy-free?
Yes! Swap out the mozzarella and Parmesan for dairy-free cheese alternatives, and replace heavy cream with coconut cream or a cashew-based cream. The flavor will change slightly but remain delicious and comforting.
Final Thoughts
There is something truly satisfying about the warm, creamy, and cheesy goodness of this Chicken, Spinach, and Mushroom Low-Carb Oven Bake Recipe. It’s a comforting dish that never feels heavy yet still leaves you full and happy. I encourage you to try it out, customize with your favorite herbs or cheeses, and enjoy the cozy vibes it brings to your table. Once you do, it might just become one of your favorite go-to recipes for any night of the week!
Print
Chicken, Spinach, and Mushroom Low-Carb Oven Bake Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Baking
- Cuisine: American
- Diet: Low Carb
Description
This low-carb oven-baked dish combines tender chicken breast pieces with sautéed spinach and mushrooms, enriched with creamy heavy cream and topped with a golden blend of mozzarella and Parmesan cheeses. It’s a hearty, healthy, and flavorful meal perfect for anyone looking for a delicious, protein-packed dinner that’s easy to prepare.
Ingredients
Chicken and Vegetables
- 2 large chicken breasts, cut into bite-sized pieces
- 3 cups fresh spinach, chopped
- 2 cups mushrooms, sliced
- 2 cloves garlic, minced
- 1 small onion, finely chopped
Dairy
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 1/2 cup heavy cream
Seasonings and Oil
- 2 tablespoons olive oil
- 1 teaspoon dried oregano
- 1 teaspoon dried thyme
- Salt and pepper to taste
Instructions
- Preheat the oven: Set your oven to 375°F (190°C) to ensure it reaches the ideal temperature while you prepare the ingredients.
- Sauté onion and garlic: Heat the olive oil in a large skillet over medium heat. Add the finely chopped onion and minced garlic, sautéing for about 3-4 minutes until they become translucent and fragrant.
- Cook mushrooms: Add the sliced mushrooms to the skillet and cook for 5-6 minutes, stirring occasionally, until they soften and develop a light brown color.
- Add spinach: Stir in the chopped spinach and cook for an additional 2 minutes until wilted. Remove the skillet from heat to stop the cooking process.
- Combine chicken and vegetables: In a large mixing bowl, combine the bite-sized chicken breast pieces with the sautéed vegetables. Season the mixture with dried oregano, dried thyme, salt, and pepper to enhance the flavors.
- Add cream and cheese: Pour in the heavy cream and add half of the shredded mozzarella cheese. Gently mix everything together to ensure all ingredients are well coated and combined.
- Prepare for baking: Transfer the combined mixture into a greased baking dish. Spread it evenly and then sprinkle the remaining mozzarella cheese along with the grated Parmesan cheese evenly on top.
- Bake: Place the dish in the preheated oven and bake uncovered for 25-30 minutes. Bake until the chicken is fully cooked through and the cheeses have melted into a bubbly, golden brown topping.
Notes
- Use boneless, skinless chicken breasts for easier cutting and even cooking.
- Sauté the vegetables well to reduce excess moisture, which helps keep the dish from becoming watery.
- If you prefer a spicier dish, add a pinch of red pepper flakes during seasoning.
- Leftovers can be stored in the fridge for up to 3 days and reheated in the oven or microwave.
- For a richer sauce, you can substitute half-and-half for heavy cream, but the texture may be lighter.

