Creamy Cheesy Chicken Spaghetti Casserole Tips, FAQ & printable recipe

Tips for success

For a slightly more textured topping, you can sprinkle a small amount of panko breadcrumbs over the cheese before baking. This adds a subtle crunch that contrasts nicely with the creamy interior of the dish. If you prefer a more vibrant look, add a pinch of paprika or dried herbs to the cheese topping before placing it in the oven to add a pop of color.

If you find yourself with extra sauce, save it to drizzle over the top right before serving to boost the creaminess.

When reheating leftovers, a small splash of milk can help restore the sauce's consistency if it has thickened too much in the refrigerator. Always serve this dish while it is warm to ensure the best texture and flavor experience for everyone at the table.

Variations

• Spicy Chicken Spaghetti: Stir in a tablespoon of chopped jalapeños or a dash of hot sauce into the creamy white sauce before mixing with the pasta to add a subtle, spicy kick to the dish.
• Vegetable-Packed Spaghetti: Add a cup of sautéed spinach, mushrooms, or diced bell peppers to the mixture before baking to incorporate extra texture and color into this classic, comforting pasta casserole.

Storage and make-ahead

Fridge

Store in an airtight container for up to 3 days.

Freezer

Freeze in an airtight container for up to 1 month. Thaw in the refrigerator overnight before reheating.

Reheat

Reheat in the oven at 350°F (175°C) until hot, or microwave individual portions until steaming.

Allow any leftovers to cool to room temperature for no more than 2 hours before transferring them to an airtight container. Keep the container in the refrigerator to maintain freshness.

The casserole will stay good for up to 3 days. When you are ready to eat, ensure you reheat it until it is steaming hot throughout, maintaining food safety standards for leftovers.

You can assemble the entire casserole, including the cheese topping, up to 24 hours in advance. Simply cover the baking dish tightly with plastic wrap or foil and store it in the refrigerator.

When you are ready to bake, remove it from the fridge and let it sit on the counter for about 20 minutes before placing it in the preheated oven. You may need to add 5-10 minutes to the total baking time.

Serving ideas

Serve this dish directly from the baking dish for a casual, family-style meal. Use a sturdy spatula to ensure you get a good scoop that includes the pasta, chicken, and that delicious crust of melted cheese.

It pairs wonderfully with a side of steamed green vegetables or a crisp garden salad, which helps balance the richness of the creamy sauce and cheese.

For individual servings, plate the pasta carefully to showcase the cheese pull. You can garnish each plate with an extra sprinkle of fresh parsley or cracked black pepper for a polished look. Because this is a hearty dish, smaller portions are often sufficient, making it a great option for feeding a larger group of people during a busy weeknight dinner.

Frequently asked questions

Recipe card

Creamy Cheesy Chicken Spaghetti Casserole

Prep 15 minCook 30 minRest 5 minTotal 50 minServes 6

Ingredients

• 1 lb spaghetti, cooked according to package directions
• 2 cups cooked chicken, cubed
• 2 cups shredded mozzarella cheese
• 2 cups creamy white sauce, homemade or store-bought
• fresh parsley, chopped, for serving

Instructions

1. Preheat your oven to 375°F (190°C). Bring a large pot of salted water to a boil and cook the spaghetti until al dente. Drain the pasta thoroughly using a colander, ensuring no excess water remains to prevent a watery casserole.
2. In a large mixing bowl, combine the cooked spaghetti, cubed chicken, and the creamy white sauce. Stir until the pasta is evenly coated in the sauce. Transfer the mixture into a 9x13-inch baking dish, spreading it out into an even layer.
3. Top the pasta mixture with the shredded mozzarella cheese. Place the baking dish in the preheated oven and bake for about 20 minutes, or until the cheese is melted, bubbly, and slightly golden. Remove from the oven, garnish with fresh parsley, and let it rest for 5 minutes before serving.

Contains: gluten, milk

Estimated nutrition per serving

Calories

520

Protein

28 g

Carbohydrates

55 g

Fat

21 g

Fiber

3 g

Sugar

4 g

Sodium

750 mg

Automatic estimate from the ingredient list, not laboratory-verified.