Monterey Chicken Spaghetti

🍽️ Step-by-Step Directions to Make Monterey Chicken Spaghetti

1. Preheat the Oven

Preheat your oven to 350°F (175°C). Lightly spray a 9×13-inch baking dish with cooking spray to prevent the casserole from sticking.

2. Cook the Spaghetti

Cook 12 ounces of dried spaghetti according to the package directions until al dente. Drain and set aside to cool slightly.

3. Prepare the Casserole Mixture

In a large mixing bowl, combine:

  • 4 cups of chopped cooked chicken

  • 1 (16-ounce) container of sour cream

  • 2 (10.5-ounce) cans of unsalted cream of chicken soup

  • 1 (10-ounce) package of frozen spinach, thawed and drained

  • 1 cup of shredded Monterey Jack cheese

  • 2 minced garlic cloves

  • ½ can of French Fried Onions

Stir everything together until fully combined. The creamy soup, tangy sour cream, and gooey cheese create a luscious base that coats the chicken and spinach perfectly.

4. Combine Pasta and Mixture

Add the cooked, drained spaghetti into the bowl with the creamy chicken mixture. Stir gently to ensure the pasta is thoroughly coated with the sauce.

5. Assemble the Casserole

Transfer the spaghetti and chicken mixture into the prepared baking dish. Spread it out evenly with a spatula.

6. Add Toppings

Sprinkle the remaining 1 cup of shredded Monterey Jack cheese evenly over the top of the casserole. Then, take the remaining French Fried Onions and scatter them over the cheese.

7. Bake the Casserole

Place the casserole in the preheated oven and bake, uncovered, for 40 to 50 minutes, or until the casserole is hot and bubbly, and the onions are crispy and golden.

8. Serve and Enjoy

Let the casserole cool for a few minutes before serving. Slice into hearty portions and enjoy the comforting flavors of this easy-to-make Monterey Chicken Spaghetti casserole.


💡 Tips for the Perfect Monterey Chicken Spaghetti Casserole

  • Make Ahead: Prepare it up to the point of baking, cover with plastic wrap or foil, and refrigerate for up to 24 hours. When ready to bake, cook as directed, adding a few extra minutes if it’s cold from the fridge.

  • Frozen Chicken: Use pre-cooked frozen chicken for convenience.

  • Add Vegetables: Add more veggies like mushrooms, bell peppers, or peas to the casserole.

  • Spicy Kick: Add diced jalapeños or red pepper flakes for an extra zing.

  • Cheese Variations: While Monterey Jack cheese is the star of this dish, try other cheeses like cheddar, gouda, or pepper jack for a different flavor profile.


🧀 Why You Should Make This Recipe Today

This Monterey Chicken Spaghetti Casserole isn’t just another pasta dish. It’s a flavorful, comforting meal perfect for any occasion. The creamy base, tender chicken, cheesy goodness, and crispy topping come together to create a dish that your family will love.

With 15 minutes of prep time and about 1 hour of cook time, this casserole is ideal for busy weeknights, meal prepping, or when you have friends over for dinner.


🍞 Serving Suggestions

Pair this cheesy chicken spaghetti casserole with a crisp green salad or some freshly baked garlic bread. It also makes for fantastic leftovers—simply store any extra portions in the fridge for an easy reheat the next day.

Enjoy this comforting meal and share it with friends and family—it’s a dish that’s sure to spread joy around the table!


Ingredients

  • 12 ounces dried spaghetti

  • 4 cups chopped cooked chicken

  • 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

  1. Preheat your oven to 350°F (175°C). Lightly spray a 9×13-inch baking dish with cooking spray.

  2. Cook the spaghetti according to package directions until al dente. Drain and set aside.

  3. In a large bowl, combine the cooked chicken, cream of chicken soup, sour cream, drained spinach, 1 cup of Monterey Jack cheese, minced garlic, and half a can of French Fried Onions. Stir well.

  4. Stir the cooked spaghetti into the chicken mixture. Pour the combined mixture into the prepared baking dish.

  5. Sprinkle the remaining Monterey Jack cheese over the pasta. Top with the rest of the French Fried Onions.

  6. Place in the oven and bake uncovered for 40 to 50 minutes, until the casserole is hot and bubbly and the onions are golden brown.


Notes

  • This casserole can be made ahead of time! Prepare it up to the point of baking, cover, and refrigerate for up to 24 hours. When ready to bake, cook as directed, adding a few extra minutes if it’s cold from the fridge.

  • For a lighter version, you can use low-fat or reduced-sodium cream of chicken soup.

  • Add more vegetables or try different cheese combinations to make it your own!

Enjoy! 🍴

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