This Chicken, Spinach, and Mushroom Bake is the ultimate comfort food dish—creamy, cheesy, and packed with flavor. Juicy chicken breasts are smothered in a rich, garlicky spinach and mushroom sauce, topped with melty cheese, and baked to golden perfection. It’s a simple yet elegant meal that’s perfect for busy weeknights or special occasions. Plus, it’s all made in one pan, so cleanup is a breeze. Let’s dive into this delicious recipe!
Why You’ll Love This Recipe
- Creamy & Comforting: The spinach and mushroom sauce is rich, flavorful, and oh-so-satisfying.
- Healthy & Filling: Packed with lean protein, veggies, and wholesome ingredients.
- One-Pan Magic: Minimal prep and cleanup make this dish a winner for busy nights.
- Versatile: Serve with rice, pasta, mashed potatoes, or crusty bread for a complete meal.
Ingredients You’ll Need
For the Dish:
- 4 boneless, skinless chicken breasts (or thighs)
- Salt and black pepper to taste
- 2 tbsp olive oil (or butter)
- 1 medium onion, diced
- 4 garlic cloves, minced
- 8 oz mushrooms, sliced
- 5 cups fresh spinach (or thawed frozen spinach, drained)
- 1 cup heavy cream (or half-and-half for a lighter option)
- 1/2 cup chicken broth
- 1 tsp dried thyme (or 1 tbsp fresh thyme)
- 1/2 cup shredded mozzarella cheese (or your favorite melting cheese)
- 1/4 cup grated Parmesan cheese
- Optional: Red pepper flakes for a hint of heat
For Serving:
- Cooked rice, mashed potatoes, or crusty bread
- Fresh parsley, chopped (for garnish)
Step-by-Step Instructions
1. Preheat and Prep
- Preheat your oven to 375°F (190°C).
- Season the chicken breasts generously with salt and pepper on both sides.
2. Sear the Chicken
- Heat 1 tablespoon of olive oil in a large oven-safe skillet over medium-high heat.
- Add the chicken breasts and sear for 3–4 minutes per side, until golden brown but not fully cooked through. Remove and set aside.
3. Sauté the Veggies
- In the same skillet, add the remaining olive oil. Sauté the diced onion for 3–4 minutes until softened.
- Add the sliced mushrooms and cook for another 5 minutes, until they release their moisture and turn golden brown.
- Stir in the minced garlic and cook for 1 minute until fragrant.

