Cheesy Chicken Spaghetti Casserole with a Crunchy Topping
This Monterey Chicken Spaghetti combines creamy, cheesy goodness with tender chicken, hearty spaghetti, and a crispy onion topping for the ultimate comfort food. It’s perfect for family dinners or potlucks and is guaranteed to be a crowd-pleaser!
Why This Recipe Works
Rich and Creamy: A combination of sour cream and cream of chicken soup creates a luxurious sauce that coats the pasta perfectly.
Hearty Additions: Chicken, spinach, and cheese add substance and flavor, making it a complete meal in one dish.
Crispy Topping: The French Fried Onions bring texture and a savory crunch that contrasts beautifully with the creamy casserole.
Ingredients
12 ounces dried spaghetti
4 cups chopped cooked chicken (use rotisserie chicken for convenience)
1 (16-ounce) container sour cream
2 (10.5-ounce) cans unsalted cream of chicken soup
1 (10-ounce) package frozen spinach, thawed and drained
2 cups shredded Monterey Jack cheese, divided
2 garlic cloves, minced
1 (6-ounce) can French’s French Fried Onions, divided
Instructions
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C).
Lightly grease a 9×13-inch baking dish with cooking spray.
Step 2: Prepare the Pasta
Cook the spaghetti according to the package instructions until al dente.
Drain and set aside.
Step 3: Mix the Filling
In a large mixing bowl, combine:
Cooked chicken
Sour cream
Cream of chicken soup
Drained spinach
1 cup shredded Monterey Jack cheese
Minced garlic
Half a can of French Fried Onions
Step 4: Combine Pasta and Filling
Add the cooked spaghetti to the chicken mixture.
Stir until everything is evenly coated.
Step 5: Assemble the Casserole
Pour the mixture into the prepared baking dish.
Smooth the top for even cooking.
Step 6: Add the Toppings
Sprinkle the remaining 1 cup of Monterey Jack cheese over the top.
Spread the rest of the French Fried Onions evenly over the cheese.
Step 7: Bake the Casserole
Bake uncovered for 40 to 50 minutes, or until:
The casserole is hot and bubbly.
The cheese is melted.
The onions are golden brown.
Timing
Prep Time: 15 minutes
Cook Time: 50 minutes
Total Time: 1 hour 5 minutes
Serving Size
Makes 8 servings
Tips + Tricks for Recipe Success
Spinach Prep: Ensure the spinach is thoroughly drained to avoid excess moisture in the casserole.
Customizable Cheese: Swap Monterey Jack for sharp cheddar or a Mexican cheese blend for a flavor twist.
Make-Ahead Option: Assemble the casserole up to 24 hours in advance. Cover and refrigerate, then bake when ready.
Add Heat: Stir in diced jalapeños or red pepper flakes for a spicy kick.
Leftovers: Store in an airtight container in the fridge for up to 3 days. Reheat in the oven or microwave.
Serving Suggestions
Pair this Monterey Chicken Spaghetti with:
A Fresh Salad: A crisp green salad with a tangy vinaigrette balances the richness.
Garlic Bread: Perfect for soaking up every bit of that creamy sauce.
Steamed Veggies: Add a side of broccoli or carrots for a nutritious complement.
Why You’ll Love It
This Monterey Chicken Spaghetti casserole is the ultimate combination of creamy, cheesy, and crunchy textures. It’s easy to make, endlessly adaptable, and perfect for feeding a crowd. Give it a try and let this dish become a new family favorite!