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Monterey Chicken Spaghetti: The Ultimate Comfort Food Casserole

This comforting Monterey chicken spaghetti bake combines tender chicken with perfectly cooked spaghetti, melted cheeses, and savory seasonings for an easy weeknight dinner. It's a fantastic crowd-pleaser that works equally well for family dinners or casual gatherings.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 6 servings
Calories: 420
Ingredients Method Notes

Ingredients
  

Ingredients
  • 1 pound spaghetti noodles
  • 2 cups cooked chicken, shredded or diced
  • 1 tablespoon olive oil
  • 1 medium onion, diced
  • 2 cloves garlic, minced
  • 1 red bell pepper, diced
  • 1 cup corn kernels
  • 1 can (14.5 oz) diced tomatoes
  • 1 cup chicken broth
  • 1 cup sour cream
  • 2 cups shredded Monterey Jack cheese
  • 1 cup shredded cheddar cheese
  • 1 teaspoon chili powder
  • 1 teaspoon dried oregano
  • Salt and pepper to taste
  • Fresh parsley for garnish

Method
 

Instructions
  1. Prepare the Pasta: Cook spaghetti according to package directions until al dente. Drain well and set aside.
  2. Sauté the Vegetables: Heat olive oil in a large skillet over medium heat. Add diced onion and cook until softened, about 3-4 minutes. Add minced garlic and diced bell pepper, cooking for another 2 minutes until fragrant.
  3. Combine Ingredients: Add the corn, diced tomatoes, chicken broth, chili powder, oregano, salt, and pepper to the skillet. Stir well and bring to a simmer. Add the cooked chicken and cooked spaghetti, tossing to combine everything evenly.
  4. Add Creamy Elements: Remove from heat and stir in the sour cream and 1 cup of Monterey Jack cheese. Mix until the cheese is melted and everything is well coated.
  5. Bake to Perfection: Transfer the mixture to a greased 9x13 baking dish. Top with remaining Monterey Jack cheese and all the cheddar cheese. Bake at 375°F for 20-25 minutes until bubbly and golden brown on top.
  6. Serve and Enjoy: Let rest for 5 minutes before serving. Garnish with fresh parsley.

Notes

Cook spaghetti al dente to maintain texture during baking. Use rotisserie chicken for quick preparation. Can be assembled up to a day in advance and refrigerated before baking. For extra spice, add jalapeños or increase chili powder.