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chicken spaghetti closeup in a casserole dish

Mexican Chicken Spaghetti

This chicken spaghetti recipe makes a delicious and festive dinner that your whole family will love. Easy and flavorful!

Course Main Course
Cuisine Tex Mex
Keyword chicken spaghetti, mexican chicken spaghetti
Prep Time 5 minutes
Cook Time 25 minutes
Total Time 30 minutes
Servings 6
Calories 405 kcal
Author Marjorie @APinchOfHealthy

Ingredients

  • 8 ounces dry spaghetti pasta, cooked to package instructions and drained (half a 1 pound package)
  • 1 bell pepper, diced (any color - I used green)
  • 1 yellow onion, diced
  • 3 Tablespoons butter
  • 3 Tablespoons all purpose flour
  • 1/2 cup chicken stock or broth
  • 1/2 cup milk, any type (I used 2%)
  • 1/2 teaspoon garlic salt (you can sub 1/4 teaspoon garlic + 1/4 teaspoon salt)
  • 1/4 teaspoon black pepper
  • 1 can Ro-tele tomatoes with green chiles (mild, 10 ounce can)
  • 1 pound chicken thighs or breasts, cooked and shredded or cut into bite-sized pieces (I used my Instant pot shredded chicken. I have also used store-bought rotisserie chicken.)
  • 1 cup shredded Mexican four cheese blend (I have used Kraft, Publix and Trader Joe's brands - all good!)
  • cooking spray

Instructions

  1. Add some cooking spray to a large non-stick pan or dutch oven, and preheat over medium-low heat.

  2. Add onions and bell peppers to the pan, and cook until tender, about 5 minutes.

  3. Add the butter to the pan (leave the peppers and onions in there), and let it melt.

  4. Sprinkle the flour, and stir to incorporate. After about a minute or two, add the chicken stock, milk garlic salt and pepper, and stir to incorporate. Stir often (almost continuously) to avoid scorching. The sauce will thicken pretty quickly, after a minute or 2.

  5. Turn off the stove, remove from heat, and add the undrained ro-tele tomatoes with green chilis, stirring to combine.

  6. Toss the sauce and veggies with the cooked shredded chicken and cooked/ drained spaghetti pasta. 

  7. Transfer the mixture to a casserole dish, sprayed with cooking spray to prevent sticking.

  8. Sprinkle cheese on top, and bake at 375 until cheese is melted, about 15 to 20 minutes.

  9. Remove from oven, and let sit 5 minutes or so. Serve and enjoy!

Recipe Notes

Nutritional information is approximate and was calculated using a recipe nutrition label generator.

This makes 4 large - 6 medium sized servings.

Nutrition Facts
Mexican Chicken Spaghetti
Amount Per Serving
Calories 405 Calories from Fat 135
% Daily Value*
Fat 15g23%
Saturated Fat 8g50%
Cholesterol 84mg28%
Sodium 470mg20%
Potassium 599mg17%
Carbohydrates 39g13%
Fiber 2g8%
Sugar 6g7%
Protein 27g54%
Vitamin A 535IU11%
Vitamin C 23.9mg29%
Calcium 200mg20%
Iron 1.7mg9%
* Percent Daily Values are based on a 2000 calorie diet.