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Fiesta Chicken Casserole

Fiesta Chicken Casserole

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This is your new weeknight hero! A super simple, one-dish meal that’s creamy, cheesy, and packed with delicious Tex-Mex flavor. It’s a guaranteed family favorite that comes together in a flash.

Ingredients

Scale
  • 2 ½ cups uncooked rotini pasta
  • 1 cup sour cream
  • 1 cup salsa (your favorite kind!)
  • 1 packet mild taco seasoning
  • ½ tsp cumin
  • ½ tsp garlic powder
  • ½ tsp onion powder
  • 1 (15 oz) can corn, drained
  • 1 (15 oz) can black beans, drained and rinsed well
  • 2 ½ cups cooked chicken, shredded or cubed
  • 2 cups shredded Mexican or Colby Jack cheese, divided

Instructions

  1. Get Ready: Preheat your oven to 350°F (175°C). Lightly spray a 9×13 inch baking dish with cooking spray.
  2. Cook Pasta: Boil the rotini according to package directions until it’s al dente (still has a slight bite). Drain the pasta but do not rinse it.
  3. Make the Sauce: While the pasta cooks, whisk the sour cream, salsa, taco seasoning, cumin, garlic powder, and onion powder together in a large bowl until smooth.
  4. Combine: Add the hot, drained pasta to the sauce. Gently fold in the corn, black beans, cooked chicken, and 1 cup of the shredded cheese. Stir until everything is coated.
  5. Bake: Pour the mixture into your prepared dish and spread evenly. Sprinkle the remaining 1 cup of cheese over the top. Cover with foil and bake for 20 minutes.
  6. Finish & Rest: Remove the foil and bake for another 5 minutes, or until the cheese is melted and bubbly. Let the casserole rest for a few minutes before serving.

Notes

  • Serving Suggestions: This dish is amazing topped with fresh cilantro, diced avocado, or an extra dollop of sour cream. Serve with a simple green salad or tortilla chips for scooping.
  • Tips & Tricks: Use a store-bought rotisserie chicken to save time! For the best, meltiest cheese, buy a block and shred it yourself. Rinsing the canned beans removes that “canned” taste.
  • Storage & Reheating: Store leftovers tightly covered in the fridge for up to 4 days. Reheat individual servings in the microwave or the entire casserole in a 350°F oven until warmed through.