Monterey Chicken Spaghetti – The Ultimate Cheesy Baked Pasta Recipe

Monterey Chicken Spaghetti – The Ultimate Cheesy Baked Pasta Recipe
Get ready to fall in love with this incredible Monterey Chicken Spaghetti that combines tender chicken, perfectly cooked pasta, and a rich, cheesy sauce that will have your family begging for seconds. This comforting pasta bake is the perfect weeknight dinner that comes together easily but tastes like you spent hours in the kitchen.
What makes this recipe truly special is the combination of flavors – the smoky BBQ notes, the creamy Monterey Jack cheese, and the satisfying texture of spaghetti all baked to golden perfection. It’s the kind of meal that brings everyone to the table with smiles on their faces.

Ingredients
- 1 pound spaghetti
- 2 cups cooked chicken, shredded or diced
- 2 cups Monterey Jack cheese, shredded
- 1 cup sharp cheddar cheese, shredded
- 1/2 cup BBQ sauce
- 1/2 cup sour cream
- 1/2 cup cream cheese, softened
- 1/2 cup chicken broth
- 1 small onion, diced
- 2 cloves garlic, minced
- 1 red bell pepper, diced
- 1 teaspoon smoked paprika
- 1/2 teaspoon black pepper
- 1/4 teaspoon salt
- 2 tablespoons olive oil
- Fresh parsley for garnish
Step-by-Step Instructions
Step 1: Cook the Pasta
Bring a large pot of salted water to boil and cook the spaghetti according to package directions until al dente. Drain well and set aside.
Step 2: Prepare the Sauce
In a large skillet, heat olive oil over medium heat. Add diced onion and red bell pepper, cooking until softened (about 5 minutes). Add minced garlic and cook for another minute until fragrant.
Step 3: Combine Ingredients
Reduce heat to low and add cream cheese, sour cream, and BBQ sauce to the skillet. Stir until smooth and well combined. Gradually add chicken broth while stirring to create a creamy sauce.
Step 4: Mix Everything Together
Add the cooked spaghetti, shredded chicken, 1 cup of Monterey Jack cheese, and all of the cheddar cheese to the skillet. Gently toss until everything is evenly coated with the sauce.
Step 5: Bake to Perfection
Transfer the mixture to a greased 9×13 inch baking dish. Top with remaining Monterey Jack cheese and sprinkle with smoked paprika. Bake at 375°F for 20-25 minutes until bubbly and golden brown on top.
Step 6: Serve and Enjoy
Let the spaghetti rest for 5 minutes before serving. Garnish with fresh parsley and serve warm.
Expert Tips for the Best Monterey Chicken Spaghetti
Perfect Pasta Texture: Cook your spaghetti just until al dente since it will continue cooking in the oven. This prevents it from becoming mushy.
Cheese Selection: Use freshly shredded cheese instead of pre-shredded for better melting. The anti-caking agents in pre-shredded cheese can affect the texture.
Chicken Preparation: Rotisserie chicken works wonderfully here for convenience, but you can also bake or pan-sear chicken breasts seasoned with salt and pepper.
Make-Ahead Friendly: Assemble the dish up to a day in advance, cover, and refrigerate. Add 10-15 minutes to the baking time if starting from cold.
If you love this cheesy pasta bake, you might also enjoy our Creamy Pesto Chicken Pasta Bake or our Ultimate Cheesy Chicken Potato Broccoli Casserole for more family-friendly dinner ideas.
Frequently Asked Questions
Can I use a different type of pasta?
Absolutely! While spaghetti is traditional, penne, rotini, or fusilli work well too. Just adjust cooking time according to package directions.
How long does this keep in the refrigerator?
Store leftovers in an airtight container for up to 4 days. Reheat in the oven or microwave until warmed through.
Can I freeze Monterey Chicken Spaghetti?
Yes, this dish freezes beautifully. Cool completely, then freeze in airtight containers for up to 3 months. Thaw in refrigerator overnight before reheating.
What sides go well with this dish?
Serve with a simple green salad or roasted vegetables like our Oven Garlic Parmesan Green Beans for a complete meal.
This Monterey Chicken Spaghetti is truly the ultimate comfort food that brings together all the best flavors in one incredible dish. The combination of tender chicken, perfectly cooked pasta, and that irresistible cheesy topping makes it a guaranteed family favorite that you’ll turn to again and again.

Monterey Chicken Spaghetti – The Ultimate Cheesy Baked Pasta Recipe
Ingredients
Method
- Bring a large pot of salted water to boil and cook the spaghetti according to package directions until al dente. Drain well and set aside.
- In a large skillet, heat olive oil over medium heat. Add diced onion and red bell pepper, cooking until softened (about 5 minutes). Add minced garlic and cook for another minute until fragrant.
- Reduce heat to low and add cream cheese, sour cream, and BBQ sauce to the skillet. Stir until smooth and well combined. Gradually add chicken broth while stirring to create a creamy sauce.
- Add the cooked spaghetti, shredded chicken, 1 cup of Monterey Jack cheese, and all of the cheddar cheese to the skillet. Gently toss until everything is evenly coated with the sauce.
- Transfer the mixture to a greased 9×13 inch baking dish. Top with remaining Monterey Jack cheese and sprinkle with smoked paprika. Bake at 375°F for 20-25 minutes until bubbly and golden brown on top.
- Let the spaghetti rest for 5 minutes before serving. Garnish with fresh parsley and serve warm.






