# 🍗 Low-Carb Chicken, Spinach & Mushroom Oven Bake
This **Low-Carb Chicken, Spinach & Mushroom Oven Bake** is a creamy, savory, and satisfying dinner made with tender chicken, earthy mushrooms, fresh spinach, and a rich cheesy sauce. Everything bakes together in one dish, making it an easy choice for a comforting weeknight meal without relying on pasta, rice, or other high-carb ingredients.
## ⏱️ Recipe Information
**Prep Time:** 15 minutes
**Cook Time:** 30–35 minutes
**Total Time:** 45–50 minutes
**Servings:** 4
**Course:** Main Dish
**Cuisine:** American
**Difficulty:** Easy
## 🛒 Ingredients
* 4 boneless, skinless chicken breasts
* 2 tbsp olive oil, divided
* 8 oz mushrooms, sliced
* 3 cups fresh spinach
* 3 cloves garlic, minced
* ½ cup heavy cream
* ½ cup chicken broth
* ½ cup grated Parmesan cheese
* 1 cup shredded mozzarella cheese
* 1 tsp Italian seasoning
* ½ tsp paprika
* ½ tsp salt, or to taste
* ¼ tsp freshly ground black pepper
* ¼ tsp red pepper flakes, optional
* 2 tbsp chopped fresh parsley, for garnish
## 👩🍳 Step-by-Step Instructions
### 1️⃣ Prepare the Chicken
Preheat your oven to **375°F (190°C)**.
Pat the chicken breasts dry with paper towels. If the breasts are very thick, gently pound them to an even thickness so they cook more evenly.
Season both sides with Italian seasoning, paprika, salt, and black pepper.
### 2️⃣ Sauté the Mushrooms
Heat **1 tablespoon of olive oil** in a large oven-safe skillet over medium-high heat.
Add the sliced mushrooms and cook for about **4–5 minutes**, stirring occasionally, until they soften and begin to turn golden.
Add the minced garlic and cook for another **30–60 seconds**, just until fragrant.
### 3️⃣ Add the Spinach
Add the fresh spinach to the skillet.
Cook for **1–2 minutes**, stirring gently, until the spinach wilts down.
Transfer the mushroom and spinach mixture to a plate and set aside.
### 4️⃣ Brown the Chicken
Add the remaining **1 tablespoon olive oil** to the skillet.
Place the seasoned chicken breasts in the skillet and sear for approximately **2–3 minutes per side**. The chicken does not need to be fully cooked at this stage because it will finish cooking in the oven.
Remove the skillet from the heat.
### 5️⃣ Make the Creamy Sauce
In a bowl, whisk together the heavy cream, chicken broth, and Parmesan cheese.
If using red pepper flakes, stir them into the sauce.
Pour the mixture into the skillet around the chicken.
### 6️⃣ Add the Vegetables
Spoon the sautéed mushrooms and spinach around and over the chicken breasts.
Gently distribute the vegetables so they’re surrounded by the creamy sauce.
### 7️⃣ Add the Mozzarella
Sprinkle the shredded mozzarella evenly over the chicken, mushrooms, and spinach.
The mozzarella will melt into a golden, bubbly topping as the casserole bakes.
### 8️⃣ Bake
Transfer the skillet to the preheated oven.
Bake uncovered for approximately **25–30 minutes**, or until the chicken reaches an internal temperature of **165°F (74°C)** at the thickest part.
If you’d like a more golden cheese topping, switch the oven to broil for **1–2 minutes** at the end. Watch closely so the cheese doesn’t burn.
### 9️⃣ Rest & Garnish
Remove the skillet from the oven and let the chicken rest for **5 minutes**.
Sprinkle with fresh chopped parsley and serve warm.
## 💡 Helpful Tips
* **Use evenly sized chicken breasts:** This helps everything cook at the same rate.
* **Don’t overcook the chicken:** Start checking the internal temperature toward the end of the cooking time.
* **Brown the mushrooms well:** Letting them develop some color adds extra savory flavor.
* **Fresh spinach works best:** It wilts quickly and blends beautifully into the creamy sauce.
* **Use freshly grated Parmesan:** It generally melts more smoothly into sauces.
* **Let the dish rest:** A few minutes allows the sauce to settle and keeps the chicken juicy.
* **For extra flavor:** Add a little fresh thyme or additional garlic.
## 🥦 Easy Variations
### Use Chicken Thighs
Boneless, skinless chicken thighs can be substituted for chicken breasts. They tend to remain especially juicy during baking.
### Add Broccoli
Add small broccoli florets alongside the mushrooms and spinach for another vegetable option.
### Make It Extra Cheesy
Add a little more mozzarella or a combination of mozzarella and provolone for a richer topping.
### Add Bacon
Cooked, crumbled bacon can be sprinkled over the casserole before baking for a smoky, savory variation.
### Add a Spicy Kick
Increase the red pepper flakes or add a pinch of cayenne pepper to the seasoning.
## 🍽️ What to Serve With It
Because this bake already contains chicken, spinach, and mushrooms, it can be served on its own as a complete-style dinner.
For additional sides, try:
* Roasted broccoli
* Steamed green beans
* Cauliflower rice
* Zucchini noodles
* Simple green salad
* Roasted asparagus
* Sautéed zucchini
## 🧊 Storage & Reheating
Allow leftovers to cool before transferring them to an airtight container.
Refrigerate for up to **3–4 days**.
To reheat, warm individual portions in the microwave or place them in a covered oven-safe dish at **325°F (165°C)** until heated through.
The sauce may thicken when chilled. A small splash of chicken broth or cream can help loosen it during reheating.
## ❓ Frequently Asked Questions
### Can I use frozen spinach?
Yes. Thaw the spinach completely and squeeze out as much excess water as possible before adding it to the recipe.
### Can I use chicken thighs?
Absolutely. Boneless, skinless chicken thighs work particularly well and may require slightly different cooking time depending on their size.
### Can I make this ahead of time?
Yes. You can prepare the chicken, vegetables, and sauce ahead of time, cover, and refrigerate. When ready to bake, allow the chilled dish to sit out briefly while the oven preheats, then bake until the chicken reaches 165°F.
### How do I know when the chicken is done?
The safest way is to check the thickest part of the chicken with an instant-read thermometer. It should reach **165°F (74°C)**.
### Can I make this without heavy cream?
You can substitute half-and-half for a lighter sauce, although the finished sauce may be less rich and slightly thinner.
## 📊 Approximate Nutrition
Nutrition varies depending on the size of the chicken breasts, cheese brands, and exact amount of sauce consumed.
**Estimated per serving:**
Calories: ~500–550
Protein: ~50–55g
Carbohydrates: ~7–9g
Fat: ~30–34g
Fiber: ~1–2g
Sodium: varies by broth, cheese, and added salt
## 📝 Quick Recipe Summary
**Low-Carb Chicken, Spinach & Mushroom Oven Bake** 🍗🥬🍄
**Prep:** 15 minutes
**Cook:** 30–35 minutes
**Total:** 45–50 minutes
**Servings:** 4
Tender seasoned chicken is browned, then baked with sautéed mushrooms, fresh spinach, garlic, creamy Parmesan sauce, and melted mozzarella. The result is a comforting, cheesy oven bake that’s simple enough for a weeknight dinner and easy to customize with your favorite low-carb vegetables.
