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Fiesta Chicken Casserole

Fiesta Chicken Casserole is one of the many easy casserole recipes on my site! This chicken casserole takes 5 minutes of prep time, it’s packed with cheesy Tex-Mex flavors, and is an easy weeknight dinner idea!

Cheesy, Easy & DELICIOUS Chicken Casserole!

I am a big believer in the casserole. Maybe because I grew up eating them, maybe because they are so efficient (everything in one place), maybe because you can pretty much top any casserole with cheese…whatever the reason is, I am onboard with a casserole recipe. AND if you can somehow get Tex-Mex flavors in there as well, it’s basically the perfect meal!

I have shared a bunch of casserole recipes here on my site, like Cornbread Chicken Casserole, Chicken Divan, and even Frito Pie Casserole. PLUS I have a deep rooted love for Fiesta Chicken. I’ve shared my Slow Cooker Fiesta Chicken recipe as well as a Creamy Fiesta Chicken recipe, and they are both reader favorites. So when I had the idea to make a Fiesta Chicken CASSEROLE, I knew it was going to be good!

Fiesta Chicken Casserole is an easy chicken recipe

What You’ll Need

  • Chicken: Any type of cooked chicken will work!
  • Ro-Tel: This is a can of diced tomatoes with green chiles. It’s a great ingredient to use in Tex-Mex food! BUT if you don’t have Ro-Tel, you can easily use a can of diced tomatoes and a can of green chiles!
  • Rice: You will have to use Instant Rice in this recipe because you’re adding it in UNcooked, which is great because it absorbs all the flavors from the other ingredients. But to ensure that the rice gets cooked it needs to be instant. If you don’t have Instant Rice, you can cook regular rice until it is al dente, and then add it in to bake. This way it will finish baking with the other ingredients. But for ease, I really recommend Instant!
  • Grated Cheese: I love using Colby Jack, but you can certainly use Cheddar, Monterey Jack, or a blend!
  • Cream of Chicken Soup: Sorry, it’s just necessary in this!
  • Taco Seasoning: This is an easy “catch-all” seasoning.
  • Milk: You have to add a few tablespoons of milk so there is enough liquid for the rice to absorb!
  • Corn: I like using canned corn, but you can use frozen as well!

What Kind of Chicken To Use?

Like I said, any type of diced or shredded chicken will work in this recipe. It’s a great way to use up leftover rotisserie chicken or the rest of the roast chicken you may have sitting in the fridge!

If you don’t have cooked chicken already, it’s fine! Just bake about 1- pound of boneless chicken for 25 minutes in a 400°F oven. Dice it and you’re all set!

How to Make this Chicken Casserole

The best thing about this casserole is it is essentially a “dump and bake” recipe. It’s an unfortunate turn of phrase, for sure, but it is pretty accurate. If you have leftover or rotisserie chicken, this will be in the oven in 5 minutes.

So how do you make this chicken casserole? Here’s how:

  • Prep your tools. Preheat the oven to 350°F. Lightly coat a 9×9 baking dish with nonstick spray. Set aside.
  • Mix ingredients together. In a large bowl combine the chicken, Ro-Tel, rice, 1 1/2 cups grated Colby Jack cheese, Cream of Chicken soup, taco seasoning, milk, corn, and black beans if using. Stir to combine.
  • Pour mixture into prepared pan. Sprinkle with remaining cheese and cover tightly with foil.
  • Bake for 30 minutes.
  • Let it cool. Uncover and allow to sit for 5 minutes before serving.
Cheesy Fiesta Chicken Casserole is a quick weeknight dinner idea

Variation Ideas!

There are so many things you can add into this recipe. I even included black beans in the recipe card below, because I make this with them quite often! Here are a few more ideas:

  • Sautéed Onion
  • Smoked Paprika
  • Ground Beef or Pork (sub out the chicken!)
  • Jalapenos
  • Chives or Green Onions
  • Garnishes like avocado, sour cream, or shredded lettuce

If you don’t have any plans for dinner tonight, I hope you give this Fiesta Chicken Casserole a try! It’s one of our go-to dinners!

How to Store and Reheat Extras

Let your casserole cool then transfer extras to an airtight container and store in the fridge for up to 2 days.

When you’re ready to reheat leftovers simply scoop the desired amount into a microwave-safe bowl and zap it in the microwave until heated through. I recommend pausing halfway through the heating time to give everything a stir and make sure the food reheats evenly.

Looking for More Casserole Recipes? Try these:

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Easy Fiesta Chicken Casserole is text mex casserole recipe

Fiesta Chicken Casserole

  • Author: Shelly
  • Prep Time: 5 minutes
  • Cook Time: 30 minutes
  • Total Time: 35 minutes
  • Yield: serves 4
  • Category: Casserole
  • Method: Oven
  • Cuisine: Dinner

Description

This is such an easy Tex-Mex inspired dinner idea. The prep time is 5 minutes if you have your chicken cooked!


Ingredients

Scale
  • 4 cups cubed or shredded chicken, cooked
  • 1 (10- ounce) can Ro-Tel, undrained
  • 1 cup instant rice, uncooked
  • 2 cups grated Colby Jack cheese, divided
  • 1 (10.75- ounce) can Cream of Chicken Soup
  • 2 tablespoons taco seasoning
  • 2 tablespoons milk
  • 1/2 cup canned corn, drained
  • optional – 1/2 cup black beans, drained
  • optional garnish – sprinkle with chopped cilantro or parsley

Instructions

  1. Preheat the oven to 350°F. Lightly coat a 9×9 baking dish with nonstick spray. Set aside.
  2. In a large bowl combine the chicken, Ro-Tel, rice, 1 1/2 cups grated Colby Jack cheese, Cream of Chicken soup, taco seasoning, milk, corn, and black beans if using. Stir to combine.
  3. Pour mixture into prepared pan, sprinkle with remaining cheese and cover tightly with foil. Bake for 30 minutes.
  4. Uncover and allow to sit for 5 minutes before serving.

Notes

Store airtight in the refrigerator for up to 3 days

Nutrition

  • Serving Size:
  • Calories: 428
  • Sugar: 6.1 g
  • Sodium: 962 mg
  • Fat: 20.1 g
  • Carbohydrates: 36.2 g
  • Protein: 27.2 g
  • Cholesterol: 72.9 mg

Keywords: chicken casserole, fiesta chicken, chicken dinner ideas, leftover rotisserie chicken recipes

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45 comments on “Fiesta Chicken Casserole”

  1. We made this for camp, and it was amazing! We put some taco sauce on top and a dollop of sour cream. The kids loved it, and you know that means we’ll be making it again many times! Thanks!

  2. Jacob Lanehart

    Delicious recipe, however, because I’m a bit of a health freak, I have to say that this dish contains a bit much sodium. I’d suggest replacing regular Rotel with the No Salt Added version and find a can of cream of mushroom soup with reduced sodium in it.

  3. I used rotisserie chicken for this recipe and I LOVED it!!! Even my picky eater was happy with it! Quick easy and delicious!!

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