Easy Chicken Alfredo Casserole with Spinach and Pesto

If you’re searching for a comforting, crowd-pleasing dish that’s both creamy and packed with vibrant flavors, this Chicken Alfredo Casserole with Spinach and Pesto is your new go-to recipe. Combining tender chicken, luscious Alfredo sauce, fresh spinach, and the bright punch of pesto, this casserole is easy to prepare and perfect for weeknights or cozy family dinners. It’s a classic Italian-inspired meal made simple, irresistible, and ready to be enjoyed by everyone at the table.

Why You’ll Love This Recipe

• Quick and Easy: Minimal prep time with straightforward steps to get dinner on the table fast.
• Family Friendly: Creamy and flavorful without being too heavy, making it a hit with kids and adults alike.
• Nutritious Boost: Fresh spinach adds color, texture, and a healthy dose of vitamins.
• Make-Ahead Friendly: Great for meal prepping or entertaining, as it tastes even better the next day.
• Customizable: Adaptable to your favorite ingredients and dietary needs without losing its signature charm.

Ingredients You’ll Need

Each ingredient in this Chicken Alfredo Casserole with Spinach and Pesto is simple yet essential, creating layers of flavor, creaminess, and color that make this dish so satisfying. From the rich Alfredo sauce to fresh basil pesto and spinach, every component plays a delicious role.

• Chicken Breasts: Cooked and shredded for tender, juicy bites throughout the casserole.
• Alfredo Sauce: Creamy, cheesy goodness that binds the ingredients and adds indulgence.
• Fresh Spinach: Adds color, moisture, and a subtle earthiness to balance the richness.
• Basil Pesto: Infuses the dish with a herbaceous and garlicky burst of flavor.
• Penne Pasta: A sturdy pasta shape that holds sauce well and bakes perfectly.
• Mozzarella and Parmesan Cheese: For melty topping and cheesy depth inside.
• Garlic and Onion: Aromatics that deepen the flavor profile of the dish.
• Olive Oil or Butter: Used for sautéing and adding richness.
• Salt and Pepper: Simple seasoning to bring everything together.

Variations for Chicken Alfredo Casserole with Spinach and Pesto

This recipe is wonderfully versatile, allowing you to tailor it to your preferences or pantry staples. Whether you want to make it vegetarian or add more veggies, it’s easy to switch things up.

• Veggie Delight: Swap chicken for mushrooms, zucchini, or bell peppers for a vegetarian twist.
• Whole Wheat or Gluten-Free Pasta: Use your preferred pasta to make it healthier or gluten-free.
• Spicy Kick: Add red pepper flakes or spicy Italian sausage for a bit of heat.
• Different Greens: Substitute kale or arugula for spinach for a new flavor dimension.
• Extra Cheesy: Mix in ricotta or cream cheese for an even richer, creamier casserole.

How to Make Chicken Alfredo Casserole with Spinach and Pesto

Step 1: Prepare the Chicken

Start by seasoning chicken breasts with salt and pepper, then cook them thoroughly by sautéing or baking. Once cooled, shred or dice the chicken into bite-sized pieces to distribute evenly in the casserole.

Step 2: Cook the Pasta

Boil penne pasta until al dente, following package instructions. Drain and set aside to prevent overcooking while you prepare the sauce and other ingredients.

Step 3: Sauté Aromatics and Spinach

In a large pan, heat olive oil or butter and sauté finely chopped garlic and onion until softened. Add fresh spinach and cook until wilted, stirring occasionally to build layers of flavor.

Step 4: Mix the Alfredo Sauce and Pesto

In a bowl, combine your creamy Alfredo sauce with homemade or store-bought basil pesto. This combo brings a vibrant, herby note to the classic Alfredo richness.

Step 5: Combine All Ingredients

In a large mixing bowl, gently fold together the cooked pasta, shredded chicken, sautéed spinach mixture, and the Alfredo-pesto sauce. Add a handful of Parmesan cheese for extra depth.

Step 6: Assemble the Casserole

Transfer the mixture into a greased baking dish, sprinkle mozzarella and additional Parmesan on top to create a golden, bubbly crust when baked.

Step 7: Bake to Perfection

Bake in a preheated oven at 350°F (175°C) for 20-25 minutes or until the top is golden brown and bubbly. Let it rest for a few minutes before serving for easier slicing.

Pro Tips for Making Chicken Alfredo Casserole with Spinach and Pesto

• Use Fresh Ingredients: Fresh spinach and pesto make a noticeable difference in flavor and brightness.
• Don’t Overcook Pasta: Slightly undercook pasta since it will continue cooking in the oven and absorb sauce flavors.
• Balance Creaminess and Herbs: Adjust the pesto quantity to make sure it complements, not overpowers, the Alfredo sauce.
• Let It Rest: Allow the casserole to cool slightly before serving to help it set and hold together well.
• Add Crunch: Sprinkle breadcrumbs mixed with Parmesan on top before baking for added texture.

How to Serve Chicken Alfredo Casserole with Spinach and Pesto

Garnishes

A sprinkle of freshly chopped basil, extra Parmesan cheese, or a drizzle of more pesto brightens presentation and flavor beautifully.

Side Dishes

This creamy casserole pairs well with crisp green salads, roasted vegetables, or garlic bread for a complete and balanced meal.

Creative Ways to Present

Serve it family-style in the baking dish for a cozy vibe or portion into individual ramekins for a fancy dinner party touch.

Make Ahead and Storage

Storing Leftovers

Keep any leftover Chicken Alfredo Casserole with Spinach and Pesto in an airtight container in the refrigerator for up to 3 days, making it perfect for next-day meals.

Freezing

This casserole freezes well—wrap tightly and place in the freezer for up to 2 months. Thaw overnight in the refrigerator before reheating.

Reheating

Reheat in the oven at 350°F (175°C) until warmed through, or microwave individual portions for quick, creamy comfort any day of the week.

FAQs

Can I use store-bought Alfredo sauce and pesto?

Absolutely! Using high-quality store-bought sauces is a great way to save time while still achieving great flavors in this casserole.

Is this recipe freezer-friendly?

Yes, this Chicken Alfredo Casserole with Spinach and Pesto freezes well and keeps its creamy texture after reheating.

Can I make this vegetarian?

Simply omit the chicken and add extra veggies like mushrooms or roasted peppers for a delicious vegetarian alternative.

What kind of pasta works best?

Penne is ideal because it holds the sauce well, but you can also use rigatoni, fusilli, or even rotini depending on your preference.

How do I keep the casserole from getting watery?

Be sure not to overcook your spinach and pasta, and drain excess liquid after cooking; this will keep your casserole creamy but not soggy.

Final Thoughts

This Chicken Alfredo Casserole with Spinach and Pesto is a guaranteed winner for busy weeknights and special family dinners. Creamy, cheesy, and bursting with fresh flavors, it’s a meal that feels like a warm hug — simple to make yet impressive enough to share. Give it a try, and you’ll likely find it becoming a beloved staple in your recipe rotation!

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