Easy 3-Ingredient Chicken Florentine Casserole

If you’re looking for an easy chicken casserole recipe, this Chicken Florentine Casserole is the perfect comfort food. Made with only three simple ingredients, this creamy baked chicken dinner is rich, satisfying, and incredibly easy to prepare.

Tender chicken breasts bake over a layer of seasoned spinach and creamy soup, creating a delicious meal that’s perfect for busy weeknights, family dinners, or meal prep. Best of all, this classic casserole requires minimal effort while delivering maximum flavor.

Why You’ll Love This Recipe

• Only 3 pantry-friendly ingredients
• Ready with very little preparation
• Rich, creamy, and comforting
• High in protein
• Family-friendly dinner
• Perfect for meal prep
• Budget-friendly recipe
• Great for weeknight meals or Sunday dinners

Ingredients

• 4 boneless, skinless chicken breasts
• 1 package (10 ounces) frozen chopped spinach, thawed and thoroughly drained
• 1 can (10¾ ounces) condensed cream of chicken soup

Instructions

Step 1

Preheat your oven to 350°F (175°C). Grease a medium casserole dish or a 9×13-inch baking dish.

Step 2

Spread the drained spinach evenly across the bottom of the baking dish.

Step 3

Pour the cream of chicken soup over the spinach and spread it into an even layer.

Step 4

Arrange the chicken breasts on top of the spinach mixture in a single layer.

Step 5

Cover the dish tightly with aluminum foil and bake for 30 minutes.

Step 6

Remove the foil and continue baking for another 15–20 minutes, or until the chicken reaches an internal temperature of 165°F (74°C).

Step 7

Allow the casserole to rest for about 5–10 minutes before serving. Spoon the creamy spinach sauce over each chicken breast for maximum flavor.

Health Benefits

• Chicken breasts provide lean protein that supports muscle growth and keeps you feeling full.
• Spinach is packed with iron, vitamin A, vitamin C, vitamin K, and antioxidants.
• This recipe is naturally low in carbohydrates, making it suitable for many balanced eating plans.
• The combination of protein and vegetables creates a satisfying, nutritious meal.

Expert Tips

• Drain the spinach thoroughly to prevent excess liquid.
• Pound thick chicken breasts to an even thickness for consistent cooking.
• Use freshly ground black pepper and garlic powder for extra flavor.
• Let the casserole rest before serving to allow the sauce to thicken.
• Use a meat thermometer to avoid overcooking the chicken.

Delicious Variations

• Sprinkle mozzarella, Parmesan, or cheddar cheese on top before the final 10 minutes of baking.
• Add sliced mushrooms for extra flavor.
• Mix in minced garlic or onion powder.
• Replace cream of chicken soup with cream of mushroom soup.
• Add cooked bacon bits for extra richness.

What to Serve With Chicken Florentine

This casserole pairs perfectly with:

• Mashed potatoes
• Buttered egg noodles
• Steamed white rice
• Garlic bread
• Roasted vegetables
• Green beans
• Garden salad

Storage

Store leftovers in an airtight container in the refrigerator for up to 4 days.

Freeze for up to 3 months. Thaw overnight before reheating.

Frequently Asked Questions

Can I use fresh spinach? Yes. Sauté about 10 ounces of fresh spinach until wilted, then drain well before using.

Can I prepare this casserole ahead of time? Absolutely. Assemble the casserole, cover, and refrigerate for up to 24 hours before baking.

Can I use chicken thighs? Yes. Boneless, skinless chicken thighs work well and remain juicy during baking.

Is Chicken Florentine gluten-free? Only if you use a gluten-free condensed soup.

Estimated Nutrition (Per Serving)

• Calories: 320
• Protein: 38g
• Carbohydrates: 8g
• Fat: 14g
• Fiber: 3g
• Sodium: 680mg