If you’re on the lookout for a comforting, wholesome meal that doesn’t skimp on flavor or nutrition, this Chicken, Spinach, and Mushroom Low-Carb Oven Dish Recipe is an absolute winner. It brings together tender chicken, earthy mushrooms, and vibrant spinach in a creamy, cheesy sauce that bakes to golden perfection. Every bite is a warm hug on a plate, combining simplicity with rich, satisfying textures that make it perfect for busy weeknights or cozy dinners. This dish manages to be indulgent while sticking to a low-carb lifestyle, making it the kind of recipe you’ll return to again and again.
Ingredients You’ll Need

Ingredients You’ll Need
All the ingredients come together simply yet brilliantly to create layers of flavor, color, and texture. Each item is chosen not only for its taste but also for how it complements the rest, making this dish truly special and straightforward to prepare.
- 1 1/2 pounds boneless, skinless chicken breasts: Cut into bite-sized pieces to ensure quick cooking and easy, even bites.
- 1 tablespoon olive oil: Adds a silky richness and helps brown the chicken beautifully.
- 1/2 teaspoon garlic powder: Brings a subtle depth of flavor without overpowering the other ingredients.
- Salt and pepper to taste: Essential for seasoning and balancing all the flavors.
- 2 cups fresh mushrooms, sliced: Their juicy, earthy notes add meaty texture and depth.
- 3 cups fresh spinach: Delivers vibrant color along with a gentle, fresh earthiness.
- 1/2 cup cream cheese, softened: Creates a luscious creaminess that ties the dish together.
- 1/4 cup heavy cream: Enhances the sauce’s silkiness and richness.
- 1/2 teaspoon onion powder: Adds just the right hint of sweetness and warmth.
- 1/2 teaspoon dried thyme: Infuses a subtle herbal aroma that lifts the entire dish.
- 1 cup shredded mozzarella cheese: Melts into gooey, stretchy goodness on top.
- 1/4 cup grated Parmesan cheese: Offers a sharp, nutty finish and a crispy golden crust when baked.
How to Make Chicken, Spinach, and Mushroom Low-Carb Oven Dish Recipe
Step 1: Preheat and Prepare
Start by preheating your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish. This step ensures your dish won’t stick and allows the cheesy topping to brown perfectly later.
Step 2: Cook the Chicken
In a large skillet over medium heat, warm the olive oil and add your bite-sized chicken pieces. Sprinkle with garlic powder, salt, and pepper, then cook for about 5 to 7 minutes until the chicken turns mostly white and starts to brown. This stage is crucial for building flavor and sealing in the juices.
Step 3: Add Mushrooms and Spinach
Next, toss the sliced mushrooms into the skillet. Cook for 3 to 4 minutes until they soften and release their earthy aroma. Stir in the fresh spinach and cook until it wilts down beautifully. These veggies add moisture and vibrance that balance the creamy sauce.
Step 4: Make the Creamy Sauce
In a small bowl, blend the softened cream cheese, heavy cream, onion powder, and dried thyme until smooth. Pour this luscious mixture into the skillet, stirring everything until the chicken and vegetables are beautifully coated in that creamy goodness.
Step 5: Bake to Perfection
Transfer the skillet mixture into your prepared baking dish. Sprinkle the shredded mozzarella and grated Parmesan evenly over the top. Bake uncovered for 15 to 20 minutes or until the cheese bubbles and turns a golden brown. Let it rest for 5 minutes—you’ll want to savor the tempting aroma while it cools slightly.
How to Serve Chicken, Spinach, and Mushroom Low-Carb Oven Dish Recipe
Garnishes
A sprinkle of freshly chopped parsley or a few grinds of black pepper adds a fresh, vibrant contrast to the rich, creamy cheesiness of this dish. For a bit of zest, a light dusting of smoked paprika or red chili flakes can be a fantastic way to elevate the flavor profile further.
Side Dishes
To keep the meal low-carb but balanced, pair this dish with a crisp green salad tossed in a tangy vinaigrette or some roasted cauliflower florets. Steamed asparagus or sautéed zucchini noodles also complement the creamy texture delightfully without taking focus away from the main event.
Creative Ways to Present
Serve portions in individual ramekins for an elegant touch, or layer it in a beautiful casserole dish right at the table for a more rustic and inviting approach. Garnishing each serving with a small wedge of lemon can brighten the flavors, giving guests the option of a citrusy twist.
Make Ahead and Storage
Storing Leftovers
Any leftovers from your Chicken, Spinach, and Mushroom Low-Carb Oven Dish Recipe can be stored in an airtight container in the refrigerator for up to 3 days. This allows the flavors to mellow and deepen, making for a tasty next-day meal.
Freezing
This dish freezes remarkably well. Cool it completely before transferring to a freezer-safe container. It can be frozen for up to 2 months. When ready to enjoy, thaw overnight in the fridge for best results and reheat gently to preserve its creamy texture.
Reheating
Reheat leftovers in the oven at 350°F (175°C) until warmed through, about 15–20 minutes. Alternatively, cover a portion with a damp paper towel and microwave in short bursts to avoid drying out the chicken and vegetables.
FAQs
Can I use other greens instead of spinach?
Absolutely! Kale, Swiss chard, or even collard greens make wonderful substitutes. Just remember that some greens may take a bit longer to wilt or soften, so adjust cooking times accordingly.
Is this recipe suitable for keto and gluten-free diets?
Yes, it’s perfectly keto and gluten-free. The dish is low in carbs, high in healthy fats, and contains no gluten ingredients, making it a great fit for those dietary needs.
Can I make this recipe dairy-free?
You can swap the cream cheese and heavy cream for coconut cream and dairy-free cream cheese alternatives. Keep in mind it will slightly alter the flavor and texture, but it’ll still be delicious.
What other toppings can I add for extra texture?
Consider sprinkling crushed pork rinds or almond flour on top before baking for a crunchy, savory crust that adds a nice contrast to the creaminess.
Can I prepare this dish ahead of time and bake later?
Yes, assemble the dish and cover it tightly, then refrigerate for up to 24 hours before baking. Just add a few extra minutes to the baking time if it’s coming from the fridge cold.
Final Thoughts
This Chicken, Spinach, and Mushroom Low-Carb Oven Dish Recipe is a perfect blend of comfort and healthfulness that makes low-carb eating exciting and deeply satisfying. Whether you’re feeding family, entertaining friends, or just treating yourself, it’s one of those dishes that feels like home from the very first bite. Don’t hesitate to give it a try—you’ll wonder how it became a staple so quickly!
Print
Chicken, Spinach, and Mushroom Low-Carb Oven Dish Recipe
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Total Time: 35 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Baking
- Cuisine: Low-Carb
- Diet: Keto,Gluten Free
Description
This Chicken, Spinach, and Mushroom Low-Carb Oven Dish is a creamy, cheesy casserole perfect for a wholesome and satisfying low-carb meal. Featuring tender chicken pieces cooked with fresh mushrooms and spinach, combined with a rich cream cheese and heavy cream sauce, then baked with mozzarella and Parmesan for a bubbly golden top. Ideal for keto and gluten-free diets, this easy main course packs flavor without the carbs.
Ingredients
Protein
- 1 1/2 pounds boneless, skinless chicken breasts, cut into bite-sized pieces
Vegetables
- 2 cups fresh mushrooms, sliced
- 3 cups fresh spinach
Dairy & Fats
- 1 tablespoon olive oil
- 1/2 cup cream cheese, softened
- 1/4 cup heavy cream
- 1 cup shredded mozzarella cheese
- 1/4 cup grated Parmesan cheese
Spices & Seasonings
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/2 teaspoon dried thyme
- Salt and pepper to taste
Instructions
- Preheat Oven and Prepare Dish: Preheat your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish to prevent sticking.
- Cook Chicken: In a large skillet over medium heat, warm olive oil. Add chicken pieces and season with garlic powder, salt, and pepper. Cook for 5 to 7 minutes until the chicken is mostly cooked through and starting to brown.
- Add Mushrooms and Spinach: Add the sliced mushrooms to the skillet and cook for another 3 to 4 minutes until softened. Next, stir in the fresh spinach and cook until wilted, combining all ingredients evenly.
- Prepare Creamy Sauce: In a small bowl, mix the softened cream cheese, heavy cream, onion powder, and dried thyme until smooth and creamy. Pour this mixture into the skillet, stirring thoroughly until all the chicken, mushrooms, and spinach are coated with the sauce.
- Assemble and Bake: Transfer the creamy mixture into the prepared baking dish. Evenly sprinkle shredded mozzarella and grated Parmesan cheese on top.
- Bake: Place the dish in the oven and bake uncovered for 15 to 20 minutes until the casserole is bubbly and the cheese on top is golden and slightly crisp.
- Rest and Serve: Remove the dish from the oven and let it rest for 5 minutes to allow flavors to settle before serving.
Notes
- You can substitute kale for spinach for a different leafy green texture.
- Add chopped sun-dried tomatoes for an extra burst of flavor and color.
- For added richness and a crunchy topping, sprinkle crushed pork rinds or almond flour over the cheese before baking.
