Tender chicken baked with spinach, mushrooms, garlic, and creamy mozzarella β€” a comforting, protein-rich Mediterranean-style dinner that’s easy to prepare and perfect for a weeknight meal.

This chicken spinach and mushroom bake combines lean chicken breast with nutrient-rich spinach, mushrooms, garlic, olive oil, and a creamy cheese sauce. For a more Mediterranean-style approach, this version uses extra-virgin olive oil, Greek yogurt, and moderate amounts of mozzarella to keep the dish creamy without relying heavily on heavy cream.

It’s naturally low in carbohydrates and makes a satisfying, protein-rich meal that pairs beautifully with a fresh Mediterranean salad or roasted vegetables.

⏱️ Recipe Details

  • Prep: 10 min
  • Cook: 25–30 min
  • Total: About 40 min
  • Servings: 4
  • Protein: Approximately 35–40 g per serving
  • Net Carbs: Approximately 6–8 g per serving

Nutrition varies depending on the chicken, yogurt, and cheese brands used.

❀️ Why You’ll Love This Bake

  • High in protein from lean chicken breast
  • Naturally low in carbohydrates
  • Packed with spinach and mushrooms
  • Creamy and cheesy without needing a heavy sauce
  • Garlic and Italian herbs add lots of flavor
  • Uses extra-virgin olive oil
  • Easy one-dish dinner
  • Great for meal prep and leftovers
  • Perfect alongside a Mediterranean salad or vegetables

πŸ₯— Mediterranean Diet Health Notes

Lean protein: Chicken breast provides plenty of protein while keeping the meal satisfying.

Vegetable-rich: Spinach and mushrooms add fiber, vitamins, minerals, and antioxidants.

Healthy fat: Extra-virgin olive oil replaces some of the heavier fats traditionally used in creamy casseroles.

Moderate dairy: Greek yogurt and mozzarella provide creaminess and protein while keeping the cheese portion reasonable.

Herb-forward: Garlic and Italian herbs provide plenty of flavor without needing a heavy sauce.

⭐ Key Element β€” Don’t Overcook the Chicken

Cut the chicken into similar-sized pieces so it cooks evenly. Avoid cooking it for too long before baking because chicken breast can become dry.

The chicken should be just lightly golden before going into the oven; it will finish cooking during baking.

πŸ›’ Ingredients

Chicken & Vegetables

  • 2 large chicken breasts, cut into bite-size cubes
  • 2 cups fresh spinach
  • 1 cup mushrooms, sliced
  • 2 garlic cloves, minced
  • 1 Tbsp extra-virgin olive oil

Creamy Sauce

  • Β½ cup plain nonfat or low-fat Greek yogurt
  • ΒΌ cup unsweetened almond milk, if needed
  • ΒΎ cup part-skim mozzarella cheese, divided
  • 2 Tbsp grated Parmesan, optional
  • 1 tsp Italian seasoning
  • Β½ tsp garlic powder
  • Salt, to taste
  • Black pepper, to taste

Optional Mediterranean Finish

  • Fresh parsley
  • Fresh basil
  • A small squeeze of lemon juice
  • Optional: red pepper flakes

πŸ”„ Mediterranean-Friendly Swaps

No Greek yogurt: Use plain low-fat Greek yogurt or a Mediterranean-style plain yogurt.

Extra vegetables: Add zucchini, bell peppers, cherry tomatoes, or broccoli.

Different protein: Substitute turkey breast or cooked shrimp for the chicken.

More Mediterranean flavor: Add oregano, basil, parsley, lemon zest, or a few chopped sun-dried tomatoes.

Cheese option: Replace some of the mozzarella with a small amount of crumbled feta.

Dairy-free: Use an unsweetened dairy-free Greek-style yogurt and dairy-free mozzarella.

πŸ‘©β€πŸ³ Instructions

1. Preheat the Oven

Preheat your oven to 375Β°F (190Β°C).

Lightly spray a medium baking dish with cooking spray or brush it with a small amount of olive oil.

2. Cook the Chicken

Heat the extra-virgin olive oil in a large skillet over medium heat.

Add the cubed chicken and season with salt, pepper, garlic powder, and Italian seasoning.

Cook for approximately 4–5 minutes, stirring occasionally, until the chicken is lightly golden on the outside.

It does not need to be completely cooked through at this stage because it will finish cooking in the oven.

3. Add the Mushrooms and Garlic

Add the sliced mushrooms and minced garlic to the skillet.

Cook for about 3 minutes, stirring occasionally, until the mushrooms begin to soften and the garlic becomes fragrant.

4. Add the Spinach

Add the fresh spinach.

Cook for 1–2 minutes, stirring gently, until the spinach wilts down.

Remove the skillet from the heat.

5. Make the Creamy Mixture

In a bowl, combine the Greek yogurt, Parmesan if using, half of the mozzarella, and a little almond milk if needed.

Add the mixture to the chicken and vegetables.

Stir gently until everything is evenly coated and creamy.

Taste and adjust the salt, pepper, and Italian seasoning.

6. Transfer to the Baking Dish

Transfer the chicken, spinach, mushroom, and creamy mixture into the prepared baking dish.

Spread everything into an even layer.

Sprinkle the remaining mozzarella over the top.

7. Bake

Place the baking dish in the preheated oven.

Bake for 15–20 minutes, until the chicken is fully cooked, the mixture is bubbling, and the cheese is melted and golden.

The chicken should reach an internal temperature of 165Β°F (74Β°C).

8. Finish and Serve

Remove the bake from the oven and let it rest for 5 minutes.

Garnish with fresh parsley or basil.

For extra Mediterranean flavor, add a small squeeze of fresh lemon juice before serving.

Serve warm.

πŸ’‘ Pro Tips

  • Cut the chicken into evenly sized pieces so everything cooks at the same rate.
  • Don’t overcook the chicken in the skillet; it will continue cooking in the oven.
  • Drain excess liquid from the mushrooms if they release a lot of moisture.
  • Don’t add too much almond milk to the yogurt mixture or the bake can become watery.
  • Use freshly grated mozzarella when possible for better melting.
  • Let the casserole rest for a few minutes before serving so the creamy sauce can thicken.
  • Add lemon juice only at the end for a fresh Mediterranean flavor.

πŸ“Š Approximate Nutrition

Per serving, based on 4 servings:

NutrientApprox. Amount
Calories330–360
Protein38–42 g
Total Carbohydrates7–9 g
Fiber1–2 g
Net Carbohydrates6–8 g
Total Fat14–16 g

Nutrition is approximate and depends on the size of the chicken breasts and the exact Greek yogurt and cheese brands used.

🌿 Mediterranean Variations

Lemon Herb Chicken Bake

Add 1 tsp lemon zest, fresh parsley, and extra oregano to the chicken before baking.

Greek-Style

Replace ΒΌ cup of the mozzarella with crumbled feta and add chopped spinach, oregano, and a few halved cherry tomatoes.

Mediterranean Vegetable Bake

Add zucchini, bell peppers, and cherry tomatoes along with the mushrooms.

Spicy Garlic

Add ¼–½ tsp red pepper flakes to the chicken seasoning.

Tomato & Basil

Add a handful of halved cherry tomatoes and fresh basil before baking for a bright Mediterranean flavor.

🧊 Storage

MethodTimeNotes
RefrigeratorUp to 4 daysStore covered in an airtight container
FreezerUp to 2 monthsFreeze in individual portions
ReheatOven or microwaveReheat gently to prevent the chicken from drying
Meal PrepUp to 4 daysPortion into containers for easy lunches