Low-Carb Chicken Spinach and Mushroom Oven Bake 🍗🥬🍄

This Low-Carb Chicken Spinach and Mushroom Oven Bake is a creamy, cheesy, keto-friendly comfort meal packed with tender chicken, earthy mushrooms, and nutritious spinach. It’s easy to prepare, high in protein, and perfect for a satisfying weeknight dinner.

Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes
Servings: 6

Ingredients

Chicken & Vegetables

• 2 lbs (900 g) boneless, skinless chicken breasts or thighs, cubed
• 2 tbsp olive oil
• 3 cups fresh spinach
• 8 oz (225 g) mushrooms, sliced
• 1 small onion, diced
• 4 cloves garlic, minced
• 1 tsp Italian seasoning
• 1 tsp garlic powder
• 1 tsp smoked paprika
• 1 tsp salt
• ½ tsp black pepper

Creamy Cheese Sauce

• 4 oz (115 g) cream cheese, softened
• ½ cup heavy cream
• ½ cup sour cream
• ¾ cup grated Parmesan cheese
• 1 cup shredded mozzarella cheese
• 1 tsp dried parsley
• ½ tsp red pepper flakes (optional)

Topping

• Extra mozzarella or Parmesan
• Fresh parsley

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Instructions

1. Prepare the Chicken

1. Preheat oven to 375°F (190°C).
2. Season chicken pieces with:
   • Garlic powder
   • Italian seasoning
   • Smoked paprika
   • Salt
   • Pepper
3. Heat olive oil in a large skillet over medium-high heat.
4. Sear chicken for 5–7 minutes until lightly browned.
5. Remove and set aside.

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2. Cook the Vegetables

1. In the same skillet, add mushrooms and onion.
2. Cook for 5 minutes until softened.
3. Add garlic and cook for 30 seconds.
4. Stir in spinach and cook until wilted.

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3. Make the Creamy Sauce

Reduce heat and add:

• Cream cheese
• Heavy cream
• Sour cream
• Parmesan cheese

Stir until smooth and creamy.

Season with parsley and red pepper flakes if using.

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4. Assemble & Bake

1. Add chicken back into the skillet and mix well.
2. Transfer mixture to a greased baking dish.
3. Sprinkle mozzarella cheese over the top.
4. Bake for 20–25 minutes until bubbly and golden.

Let rest for 5 minutes before serving.

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Low-Carb Serving Ideas

Serve with:

• Cauliflower mash
• Roasted broccoli
• Zucchini noodles
• Green beans
• Side salad with olive oil dressing

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Variations

🥓 Bacon Ranch Chicken Bake

Add:

• Cooked bacon pieces
• 1 packet ranch seasoning

🧄 Garlic Parmesan Version

Increase garlic and add extra Parmesan for a richer flavor.

🌶 Spicy Version

Add:

• Jalapeños
• Chili flakes
• Pepper jack cheese

🥦 More Vegetable Version

Add:

• Broccoli florets
• Zucchini
• Bell peppers

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Tips for Success

• Chicken thighs stay extra juicy, but chicken breast works well too.
• Avoid overcooking the chicken before baking—it will continue cooking in the oven.
• Freshly grated Parmesan melts better and creates a smoother sauce.
• Let the casserole sit briefly after baking so the creamy sauce thickens.

This dish is a delicious low-carb, high-protein meal with rich garlic, creamy cheese, and savory mushroom flavors in every bite. 🍗🧀✨