Monterey Chicken Spaghetti Casserole – A Family Favorite

Disclosure: This post contains affiliate links. We may earn a commission at no extra cost to you.
Cook Tool Requirements
Click Here to Grab Your PAUDIN Kitchen Knife Set
Click Here to Grab Your Large Bamboo Cutting Boards
Click Here to Grab Your Cast Iron Skillet
Click Here to Grab Your Measuring Cups and Spoons
Click Here to Grab Your Silicone Spatula Set
Click Here to Grab Your Mixing Bowls
Click Here to Grab Your Instant-Read Thermometer
Click Here to Grab Your Non-Stick Frying Pan
Click Here to Grab Your Tongs For Cooking
Click Here to Grab Your Microplane Zester
Click Here to Grab Your Colander
Now—Available on Amazon!


Monterey Chicken Spaghetti Casserole – A Family Favorite
Ingredients and Quantities:
For 1 person:
- 1 boneless, skinless chicken breast
- 1 cup cooked spaghetti
- 1/2 cup shredded Monterey Jack cheese
- 1/4 cup diced tomatoes
- 1/4 cup diced green chilies
- 1/4 cup sour cream
- 1/4 cup chopped cilantro
For 3 people:
- 3 boneless, skinless chicken breasts
- 3 cups cooked spaghetti
- 1 1/2 cups shredded Monterey Jack cheese
- 3/4 cup diced tomatoes
- 3/4 cup diced green chilies
- 3/4 cup sour cream
- 3/4 cup chopped cilantro
Preparation:
Prep time: 30 minutes
Level: Easy
Cuisine type: American
Step by step preparation:
- Preheat the oven to 350°F.
- Cook the spaghetti according to package instructions.
- Cook the chicken breast and shred it.
- Mix the cooked spaghetti, shredded chicken, tomatoes, green chilies, sour cream, and cilantro in a bowl.
- Transfer the mixture to a baking dish and top with Monterey Jack cheese.
- Bake in the preheated oven for 20 minutes or until the cheese is melted and bubbly.
- Serve hot and enjoy!
Why People Love It:
Monterey Chicken Spaghetti Casserole is loved for its creamy and cheesy flavors that come together in a comforting and satisfying dish. It’s a perfect blend of textures and tastes that appeal to both kids and adults.
Best Occasions to Make It:
This casserole is ideal for family dinners, potlucks, or casual gatherings with friends. It’s a crowd-pleaser that can be easily doubled or tripled to feed a larger group.
Steps for the Best:
To enhance the flavors of the casserole, consider adding a sprinkle of smoked paprika or a dash of hot sauce for a spicy kick. Serve the dish with a side of garlic bread or a fresh green salad for a complete meal.
Nutrition Facts:
Calories per serving: 400
Carbohydrates: 30g
Protein: 25g
Gluten content: Gluten-free
Pro Tip: For a lighter version, you can use Greek yogurt instead of sour cream to reduce the fat content without compromising on flavor.

Monterey Chicken Spaghetti Casserole – A Family Favorite
How to Make It More Healthy
When preparing the Monterey Chicken Spaghetti Casserole, consider using whole wheat pasta, lean chicken breast, and low-fat cheese to make it a healthier option.
Origin of Recipe
The Monterey Chicken Spaghetti Casserole recipe originates from the southern region of the United States.
Best Time to Enjoy
This casserole is perfect for dinner, as it is a hearty and filling meal that can satisfy your family’s hunger.
The Inspiration Behind the Recipe
The recipe was inspired by the flavors of Tex-Mex cuisine, combining the richness of cheese with the zesty flavors of salsa and chicken.
Best Way to Store
Store any leftovers of the Monterey Chicken Spaghetti Casserole in an airtight container in the refrigerator for up to 3 days.
5 Tricks When You Cook It
- Ensure the chicken is fully cooked before assembling the casserole.
- Layer the ingredients evenly for a well-balanced flavor profile.
- Top the casserole with cheese towards the end of baking for a golden crust.
- Let the casserole rest for a few minutes before serving to allow flavors to meld.
- Garnish with fresh herbs or avocado slices for a pop of color and freshness.
How To Make It Gluten-Free
To make this recipe gluten-free, simply use gluten-free pasta and ensure all other ingredients are certified gluten-free.
How To Make It Dairy-Free
For a dairy-free option, substitute dairy-free cheese or omit the cheese altogether for a lighter version of the casserole.
5 Common Questions with Answers
- Can I freeze the casserole for later? Yes, you can freeze the casserole before baking for up to 3 months.
- Is it spicy? The level of spiciness can be adjusted based on the type of salsa used.
- Can I add vegetables to the casserole? Feel free to add bell peppers, onions, or corn for added flavor and nutrition.
- How can I make it vegetarian? Substitute the chicken with tofu or chickpeas for a vegetarian version.
- Can I make it ahead of time? Yes, you can assemble the casserole ahead of time and bake it when ready to serve.
5 Things to Avoid When Making the Recipe
- Avoid overcooking the pasta, as it can become mushy in the casserole.
- Avoid using too much salt, as the cheese and salsa already add plenty of flavor.
- Avoid overcrowding the baking dish, as the casserole needs space to bake evenly.
- Avoid using a salsa that is too watery, as it can make the casserole soggy.
- Avoid skipping the resting time after baking, as it allows the flavors to develop.
How to Add a Special Addition
For a special touch, top the casserole with crushed tortilla chips for added crunch and texture.

