Description
This oven-baked chicken casserole is a low-carb, high-protein dinner recipe that combines juicy chicken breasts with sautéed mushrooms, garlic spinach, and a creamy cheese sauce. It’s finished with a golden, bubbly mozzarella topping for that irresistible texture.
Perfect for:
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Family dinners
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Keto or low-carb diets
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Meal prep recipes
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High-protein meal plans
🛒 Ingredients
For the Chicken:
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4 boneless, skinless chicken breasts
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1 tsp salt
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1/2 tsp black pepper
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1 tsp paprika
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1 tbsp olive oil
For the Filling:
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2 cups fresh spinach
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1 ½ cups sliced mushrooms
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3 cloves garlic (minced)
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1 tbsp butter
For the Cream Sauce:
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1 cup heavy cream
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1/2 cup cream cheese
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1/2 cup grated Parmesan cheese
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1 tsp Italian seasoning
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1/2 tsp red pepper flakes (optional)
Topping:
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1 ½ cups shredded mozzarella cheese
👩🍳 Instructions
Step 1: Prep the Chicken
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Preheat oven to 375°F (190°C).
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Season chicken with salt, pepper, and paprika.
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Heat olive oil in a skillet and sear chicken for 3–4 minutes per side until lightly golden (not fully cooked).
Step 2: Cook Vegetables
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In the same pan, melt butter.
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Add mushrooms and cook until browned (about 5 minutes).
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Add garlic and spinach, cook until wilted.
Step 3: Make Cream Sauce
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Lower heat and add heavy cream and cream cheese.
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Stir until smooth and creamy.
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Add Parmesan, Italian seasoning, and chili flakes.
Step 4: Assemble
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Place chicken in a baking dish.
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Spread spinach and mushroom mixture evenly on top.
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Pour cream sauce over everything.
Step 5: Bake
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Sprinkle mozzarella cheese generously on top.
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Bake for 20–25 minutes until chicken is cooked through and cheese is golden and bubbly.
🍽️ Serving Suggestions
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Serve with cauliflower rice (low-carb option)
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Pair with garlic bread or pasta
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Add a fresh side salad
💡 Pro Tips
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Use chicken thighs for extra juiciness
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Add sun-dried tomatoes for more flavor
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Substitute half-and-half for a lighter version
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Broil for 2–3 minutes for a crispy cheese top
🧠 Nutrition (Approximate per serving)
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Calories: 420–500
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Protein: 35g
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Carbs: 6–8g
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Fat: 30g
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❓ Related Questions (SEO / High CPC Topics)
1. Is this recipe keto-friendly?
Yes! This is a keto chicken casserole since it’s low in carbs and high in fat and protein.
2. Can I make this ahead of time?
Absolutely. Assemble it and refrigerate for up to 24 hours before baking.
3. What’s the best cheese for baked chicken casseroles?
Mozzarella, Parmesan, and cheddar are top choices for melt and flavor.
4. How do I store leftovers?
Store in an airtight container for up to 4 days in the fridge or freeze for 2 months.
5. Can I use frozen spinach?
Yes, just thaw and drain excess water before using.
6. What are good substitutes for heavy cream?
You can use half-and-half, coconut cream, or Greek yogurt (for a healthier twist).
🧾 Final Thoughts
This creamy chicken casserole is a high-value, budget-friendly recipe that delivers both flavor and nutrition. Whether you’re targeting healthy eating, weight loss, or comfort food cravings, this dish checks all the boxes.
