Chicken Spinach & Mushroom Low Carb Dish

Featured in: Fresh & Fast Meals

This satisfying oven-baked dish combines tender chicken with sautéed spinach and mushrooms in a rich, creamy sauce. The heavy cream creates a luscious base while mozzarella and parmesan form a golden, bubbly topping. Ready in just 40 minutes, this low-carb casserole reheats beautifully for meal prep lunches or quick dinners throughout the week.

Updated on Fri, 06 Feb 2026 23:20:03 GMT
Golden-brown bubbly cheese tops the Chicken Spinach & Mushroom Low Carb Oven Dish, served hot from the oven. Save
Golden-brown bubbly cheese tops the Chicken Spinach & Mushroom Low Carb Oven Dish, served hot from the oven. | frizplo.com

Experience the ultimate comfort of a home-cooked meal with this Chicken Spinach & Mushroom Low Carb Oven Dish. This protein-packed casserole combines tender chicken breast with earthy mushrooms and fresh spinach, all enveloped in a rich, creamy sauce and topped with a bubbling layer of mozzarella and parmesan. It is the perfect solution for a flavorful, low-carb weeknight dinner that doesn't compromise on taste.

Golden-brown bubbly cheese tops the Chicken Spinach & Mushroom Low Carb Oven Dish, served hot from the oven. Save
Golden-brown bubbly cheese tops the Chicken Spinach & Mushroom Low Carb Oven Dish, served hot from the oven. | frizplo.com

The magic of this dish lies in the simple, high-quality ingredients that come together in a single 9x13 inch pan. The heavy cream and melted cheeses create a velvety texture that perfectly complements the savory notes of garlic and Italian seasoning, ensuring every bite is succulent and rich.

Ingredients

  • 2 cups cooked chicken breast, chopped or shredded
  • 4 cups fresh spinach
  • 2 cups mushrooms, sliced
  • 1 small onion, finely chopped
  • 3 cloves garlic, minced
  • 1 cup mozzarella cheese, shredded
  • 1/4 cup parmesan cheese, grated
  • 1/2 cup heavy cream
  • 2 tablespoons olive oil
  • 1 teaspoon Italian seasoning
  • Salt and pepper, to taste
Product image
Deep clean greasy stovetops, countertops, sinks, and tiles using powerful steam after everyday cooking.
Check price on Amazon

Instructions

Step 1
Preheat oven to 375°F (190°C). Lightly grease a 9×13 inch (23×33 cm) casserole dish.
Step 2
In a large skillet, heat olive oil over medium heat. Add onions and mushrooms; sauté for 5–7 minutes until soft and lightly browned.
Step 3
Add garlic and cook for 1 minute until fragrant.
Step 4
Stir in spinach and cook until wilted. Season the mixture with salt, pepper, and Italian seasoning.
Step 5
Spread the cooked chicken evenly across the bottom of the prepared casserole dish.
Step 6
Layer the sautéed mushroom, spinach, and onion mixture over the chicken.
Step 7
Drizzle heavy cream evenly over the top.
Step 8
Sprinkle mozzarella and parmesan cheese over the entire dish.
Step 9
Bake uncovered for 20–25 minutes, or until the cheese is melted and golden brown.
Step 10
Remove from oven and let rest for 5 minutes before serving.

Zusatztipps für die Zubereitung

For the best results, ensure you sauté the mushrooms and spinach thoroughly to cook off excess liquid; this prevents the casserole from becoming too watery. If you are short on time, using a store-bought rotisserie chicken is a fantastic way to speed up the process while maintaining great flavor.

Varianten und Anpassungen

This recipe is highly adaptable. If you enjoy a bit of spice, try adding a pinch of red pepper flakes into the vegetable mixture. You can also experiment with different cheeses, such as sharp cheddar, if you want to vary the flavor profile of the topping.

Serviervorschläge

Let the dish rest for 5 minutes after taking it out of the oven to allow the cream sauce to set slightly. This recipe yields 4 servings and is a complete meal on its own, but it also pairs wonderfully with a simple green side salad.

Tender chicken breast, sautéed mushrooms, and wilted spinach make up the creamy filling of this low-carb casserole. Save
Tender chicken breast, sautéed mushrooms, and wilted spinach make up the creamy filling of this low-carb casserole. | frizplo.com

Whether you are cooking for a busy family or preparing meals for the week ahead, this Chicken Spinach & Mushroom Low Carb Oven Dish is a reliable and delicious choice. Its combination of easy preparation and gourmet results makes it a standout addition to any recipe collection.

Product image
Easily open jars, bottles, and cans while cooking, making meal prep smoother and less frustrating.
Check price on Amazon

Recipe FAQ

Can I make this ahead of time?

Yes, assemble the entire casserole up to 24 hours in advance and refrigerate. Bake when ready, adding 5-10 minutes to the cooking time if baking cold from the refrigerator.

What type of chicken works best?

Cooked chicken breast works perfectly. Rotisserie chicken is a convenient option, or you can poach, grill, or bake chicken breasts specifically for this dish.

How do I prevent watery texture?

Sauté mushrooms and spinach thoroughly until they release their moisture and wilt completely. This step prevents excess liquid from making the casserole soggy during baking.

Can I freeze leftovers?

Yes, portion cooled leftovers into airtight containers and freeze for up to 3 months. Thaw overnight in the refrigerator and reheat in the oven at 350°F until warmed through.

What can I substitute for heavy cream?

For a lighter version, use half-and-half though the sauce will be less rich. Coconut cream works for dairy-free but will slightly alter the flavor profile.

Chicken Spinach & Mushroom Low Carb Dish

Creamy, protein-packed bake with chicken, spinach, and melted cheese

Prep duration
15 min
Time to cook
25 min
Complete duration
40 min
Created by Madison Young

Classification Fresh & Fast Meals

Complexity Level Easy

Cultural Origin American

Output 4 Portion Count

Dietary requirements No Gluten, Low-Carbohydrate

Components

Proteins

01 2 cups cooked chicken breast, chopped or shredded

Vegetables

01 4 cups fresh spinach
02 2 cups mushrooms, sliced
03 1 small onion, finely chopped
04 3 cloves garlic, minced

Dairy

01 1 cup mozzarella cheese, shredded
02 1/4 cup parmesan cheese, grated
03 1/2 cup heavy cream

Oils & Seasonings

01 2 tablespoons olive oil
02 1 teaspoon Italian seasoning
03 Salt and pepper, to taste

Directions

Step 01

Prepare Oven and Dish: Preheat oven to 375°F. Lightly grease a 9×13 inch casserole dish with cooking spray or butter.

Step 02

Sauté Onions and Mushrooms: In a large skillet, heat olive oil over medium heat. Add onions and mushrooms; sauté for 5–7 minutes until soft and lightly browned.

Step 03

Add Aromatics: Add garlic and cook for 1 minute until fragrant, stirring constantly to prevent burning.

Step 04

Wilt Spinach: Stir in spinach and cook until wilted, approximately 2–3 minutes. Season the mixture with salt, pepper, and Italian seasoning.

Step 05

Layer Chicken Base: Spread the cooked chicken evenly across the bottom of the prepared casserole dish.

Step 06

Add Vegetable Layer: Layer the sautéed mushroom, spinach, and onion mixture over the chicken.

Step 07

Add Cream: Drizzle heavy cream evenly over the entire dish.

Step 08

Top with Cheese: Sprinkle mozzarella and parmesan cheese generously over the top.

Step 09

Bake to Perfection: Bake uncovered for 20–25 minutes, or until the cheese is melted, bubbly, and golden brown.

Step 10

Rest Before Serving: Remove from oven and let rest for 5 minutes to allow the casserole to set for easier serving.

Necessary tools

  • Large skillet
  • 9×13 inch casserole dish
  • Chef's knife
  • Cutting board
  • Mixing spoon
  • Measuring cups and spoons

Allergy details

Review each component for potential allergens and seek professional healthcare advice if you're uncertain.
  • Contains dairy (mozzarella, parmesan, heavy cream)
  • Contains possible traces of lactose
  • Gluten-free if all ingredients are certified gluten-free

Nutritional breakdown (per portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy Content: 390
  • Fats: 26 g
  • Carbohydrates: 6 g
  • Proteins: 32 g