Monterey Chicken Spaghetti Recipe
Introduction
Monterey Chicken Spaghetti is a comforting and cheesy baked pasta dish that’s perfect for weeknight dinners. It combines tender shredded chicken with a flavorful blend of cheeses and a hint of smoky spice. This easy recipe comes together quickly and bakes to a gooey, delicious finish.

Ingredients
- 12 oz spaghetti
- 2 cups cooked chicken breast, shredded
- 1 cup Monterey Jack cheese, shredded
- 1/2 cup cheddar cheese, shredded
- 1 can (10 oz) diced tomatoes with green chilies, drained
- 1/2 cup sour cream
- 1/2 cup milk
- 1/4 cup green onions, sliced
- 2 cloves garlic, minced
- 1 tbsp olive oil
- 1/2 tsp smoked paprika
- 1/2 tsp salt
- 1/4 tsp black pepper
Instructions
- Step 1: Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish to prevent sticking.
- Step 2: Cook the spaghetti according to the package instructions until al dente. Drain and set aside.
- Step 3: In a large skillet, heat the olive oil over medium heat. Add the minced garlic and cook for about 1 minute until fragrant but not browned.
- Step 4: Add the shredded chicken, drained diced tomatoes with green chilies, smoked paprika, salt, and black pepper to the skillet. Stir and cook for 2 to 3 minutes until everything is heated through.
- Step 5: In a large bowl, combine the cooked spaghetti, chicken mixture, sour cream, milk, half of the Monterey Jack cheese, and half of the cheddar cheese. Mix everything together thoroughly.
- Step 6: Transfer the spaghetti mixture to the prepared baking dish. Sprinkle the remaining Monterey Jack and cheddar cheeses on top, then scatter the sliced green onions over the cheese.
- Step 7: Bake in the preheated oven for 20 minutes, or until the cheese is melted, bubbly, and golden around the edges. Serve hot.
Tips & Variations
- For extra spice, add a pinch of cayenne pepper or use a spicier canned tomato with chilies.
- Swap sour cream for Greek yogurt for a tangier and healthier option.
- Add some cooked bacon or sautéed mushrooms to deepen the flavor.
- Use rotisserie chicken to save time on shredding cooked chicken breast.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, warm individual portions in the microwave or oven until heated through. You may want to add a splash of milk before reheating to keep the dish creamy.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use a different type of pasta?
Yes, you can substitute spaghetti with other pasta shapes like penne, rotini, or elbow macaroni. Just adjust the cooking time according to the pasta’s package instructions.
Is this recipe freezer-friendly?
Yes, this dish freezes well. Let it cool completely, then freeze in a suitable container for up to 2 months. Thaw overnight in the refrigerator before reheating.
Print
Monterey Chicken Spaghetti Recipe
- Total Time: 45 minutes
- Yield: 6 servings 1x
Description
Monterey Chicken Spaghetti is a creamy, cheesy baked pasta dish featuring shredded chicken, diced tomatoes with green chilies, and a blend of Monterey Jack and cheddar cheeses. This comforting casserole combines flavorful spices and a creamy sour cream sauce baked to bubbly perfection, making it an easy and satisfying weeknight meal.
Ingredients
Pasta
- 12 oz spaghetti
Chicken Mixture
- 2 cups cooked chicken breast, shredded
- 1 can (10 oz) diced tomatoes with green chilies, drained
- 2 cloves garlic, minced
- 1 tbsp olive oil
- 1/2 tsp smoked paprika
- 1/2 tsp salt
- 1/4 tsp black pepper
Dairy
- 1 cup Monterey Jack cheese, shredded
- 1/2 cup cheddar cheese, shredded
- 1/2 cup sour cream
- 1/2 cup milk
Garnish
- 1/4 cup green onions, sliced
Instructions
- Preheat Oven: Set your oven to 350°F (175°C) and grease a 9×13-inch baking dish to prepare for baking the casserole.
- Cook Spaghetti: Boil the spaghetti according to the package instructions until al dente, then drain well and set aside for later mixing.
- Sauté Garlic: In a large skillet, heat olive oil over medium heat. Add minced garlic and cook for about 1 minute until fragrant, being careful not to burn it.
- Prepare Chicken Mixture: Add shredded chicken, drained diced tomatoes with green chilies, smoked paprika, salt, and black pepper to the skillet. Stir and cook for 2-3 minutes until everything is warmed through and combined.
- Combine Ingredients: In a large bowl, mix together the cooked spaghetti, chicken mixture, sour cream, milk, and half portions of both Monterey Jack and cheddar cheeses until well blended.
- Assemble Casserole: Transfer this combined mixture into the greased baking dish. Sprinkle the remaining Monterey Jack and cheddar cheeses evenly on top, then scatter the sliced green onions over the cheese.
- Bake: Place the baking dish in the preheated oven and bake for 20 minutes or until the cheese is melted, bubbly, and slightly golden on top. Remove from oven and serve hot.
Notes
- You can use rotisserie chicken for convenience.
- Drain the diced tomatoes well to avoid excess moisture in the casserole.
- For a spicier kick, add extra diced green chilies or a pinch of cayenne pepper.
- Leftovers can be refrigerated for up to 3 days and reheated in the oven or microwave.
- For a lower-fat option, substitute sour cream with Greek yogurt and use reduced-fat cheese.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dinner
- Method: Baking
- Cuisine: American
Keywords: Monterey Chicken Spaghetti, baked chicken pasta, cheesy chicken casserole, dinner recipe, creamy chicken spaghetti, easy baked pasta

