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Cheesy Chicken and Spinach Casserole with Mushrooms Recipe

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A creamy, cheesy chicken and spinach casserole with mushrooms, garlic, and Italian seasoning, baked to golden perfection for the ultimate comfort food dinner.

Ingredients

Scale
  • 4boneless, skinless chicken breasts
  • 2 cupsfresh spinach (roughly chopped)
  • 2 cupsmushrooms, sliced
  • 1 cupshredded mozzarella cheese
  • 1/2 cupgrated Parmesan cheese
  • 2 tbspolive oil
  • 3cloves garlic, minced
  • 1 cupheavy cream
  • 1/2 cupchicken broth
  • 1 tspItalian seasoning
  • Salt and black pepper to taste
  • Fresh parsley for garnish

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Season chicken breasts with salt, pepper, and Italian seasoning.
  3. Heat olive oil in a skillet and sear chicken on both sides until golden brown, about 3–4 minutes per side. Remove and set aside.
  4. In the same skillet, sauté mushrooms until browned. Add garlic and spinach, cooking until spinach is wilted.
  5. Pour in chicken broth and heavy cream, stir, and let simmer for 2–3 minutes until slightly thickened.
  6. Transfer the chicken breasts to a baking dish. Pour the creamy spinach and mushroom mixture over the chicken.
  7. Top with mozzarella and Parmesan cheese.
  8. Bake for 20–25 minutes until the chicken is fully cooked (165°F / 74°C) and the cheese is golden and bubbly.
  9. Garnish with chopped parsley and serve hot.

Notes

For a lighter version, use half-and-half instead of heavy cream.
Frozen spinach can be used if drained and squeezed dry.
Make ahead by assembling the casserole and refrigerating up to 24 hours before baking.
Great for meal prep — bake one for dinner and freeze another for later.

Nutrition

Find it online: https://www.delicetreats.com/cheesy-chicken-and-spinach-casserole/