Fiesta Chicken Casserole
This Fiesta Chicken Casserole is one of those weeknight dinners I make over and over again. It’s loaded with bold Mexican-inspired flavors, comes together with simple pantry ingredients, and only takes about 50 minutes from start to finish. Think tender shredded chicken, rotini pasta, black beans, corn, and salsa all baked together in a creamy, cheesy sauce. It’s the kind of meal that feels like a restaurant dish but requires almost no effort.
This fiesta chicken casserole hits all the marks: creamy, cheesy, packed with protein, and just enough Tex-Mex to slip into a Taco Tuesday without actually having to make tacos. Or, make it a Fiesta Friday meal. Either one works!
Your whole family is gonna love it, including picky eaters who might shy away from anything too spicy. You can easily dial the heat up or down, and I will share exactly how below.
It’s also a fantastic make-ahead meal and freezer-friendly, which makes it a reliable go-to during busy weeks.
What Goes Into This Fiesta Chicken Casserole
Here’s a quick rundown of what makes this casserole so good:
For the creamy sauce base:
- Sour cream and cream cheese give the casserole its rich, velvety texture. Full-fat versions work best.
- Salsa adds a little heat, and helps keep everything saucy as it bakes.
- Cumin, onion powder, garlic powder, chili powder, salt, and pepper bring warm, savory depth. No taco seasoning packet needed, though you can absolutely use one if that is what you have on hand.
For the filling:
- Cooked, shredded chicken. I almost always reach for a store-bought rotisserie chicken here because it saves so much time and adds great flavor.
- Rotini pasta. The spiral shape is ideal because it holds onto the creamy sauce and catches all the little bits of corn and beans in its twists.
- Canned black beans and sweet corn. Drain and rinse the beans, and drain the corn.
- Colby jack cheese, shredded from the block. Block cheese melts much more smoothly than pre-shredded. Feel free to use pre-shredded if that’s what you have.
How to Make Fiesta Chicken Casserole
This recipe comes together in just a few simple steps:
Tips for a Creamy, Cheesy Casserole
I’ve made this casserole more times than I can count, and these are my best tips:
Cover the dish while it bakes. Covering with foil during the first 20 minutes traps moisture and prevents the top from drying out before the inside is warmed through. Remove the foil for the last 5 to 10 minutes to let the cheese get golden and bubbly.
Slightly undercook the pasta. Cook the rotini until just shy of al dente. It will continue to absorb the sauce as the casserole bakes, and fully cooked noodles going in can turn mushy by the time the dish is done.
Use a rotisserie chicken. It saves time and adds great flavor. Two cups of shredded chicken is about right for this recipe, which you can get from roughly half of a standard rotisserie bird.
Shred your cheese from the block. Pre-shredded cheese contains anti-caking agents that can make the sauce slightly grainy. A block of Colby jack takes just a minute to shred and melts beautifully.
Adjust the heat to your family’s taste. This casserole is mild as written. For more heat, use a hot salsa, add a drained can of Ro-tel, or stir in some diced jalapeños. For a milder version, use a mild salsa and reduce or skip the chili powder.
Easy Swaps for Chicken, Pasta, and Cheese
One of the things I love most about this recipe is how flexible it is:
- Swap the pasta. Penne, ziti, medium shells, or rigatoni all work well in place of rotini. Avoid long noodles like spaghetti unless you’re making a dish like my chicken spaghetti that has a slightly creamier base.
- Change the protein. Ground beef, shredded pork, or ground turkey are all great substitutes. If you are in the mood for a beef and rice version with similar flavors, my cheesy hamburger rice casserole is a great one to try next.
- Go vegetarian. Double the beans and corn and skip the chicken entirely. It’s surprisingly filling.
- Try different cheese. Monterey jack, pepper jack, sharp cheddar, or a Mexican blend all melt beautifully.
- Add toppings. Sliced avocado, fresh tomato, black olives, pickled jalapeños, or crushed tortilla chips add great texture and flavor at the table.
- Love poblano peppers? My chile relleno casserole is a fantastic baked dish with serious Tex-Mex flavor that pairs well with this kind of meal.
Most Asked Questions
Can I make fiesta chicken casserole ahead of time?
Yes! Assemble the casserole through step 5, cover tightly with foil, and refrigerate for up to 24 hours before baking. Add 5 to 10 minutes to the bake time since it is starting cold from the refrigerator.
Can I make this gluten-free?
Absolutely. Use a gluten-free pasta and check that your salsa, canned goods, and spices are certified gluten-free.
What other beans can I use instead of black beans?
Pinto beans, kidney beans, great northern beans, and navy beans all work well. Just make sure to rinse and drain whichever you choose.
How to Store and Freeze
Refrigerator: Store leftover fiesta chicken casserole in an airtight container in the refrigerator for up to 3 days.
Freezer: Let the casserole cool completely, then transfer it to an airtight freezer-safe container or zip-top freezer bag. It freezes well for up to 2 months. If you want to free up the baking dish, remove the casserole from the dish before freezing. Thaw overnight in the refrigerator, then reheat in the oven as described above.
Quick note about freezing: the pasta’s texture is going to change and may be quite a bit softer after thawing.
More Casserole Recipes to Try
- Slow Cooker Creamy Chicken Pasta for a hands-off, set-it-and-forget-it creamy chicken dinner
- Chicken Broccoli Stuffing Casserole for a cozy, savory classic the whole family loves
- Creamy Chicken Noodle Casserole for a Southern-style comfort food bake
- Green Chile Chicken Casserole for another easy Mexican-inspired dinner
- Taco Casserole with Corn Chips for a fun, crunchy Tex-Mex style meal
- French Onion Beef Casserole for a rich, savory option the whole table will devour
- Teriyaki Chicken Casserole to mix things up with an Asian-inspired flavor profile
Ingredients
- 1 cup sour cream
- 4 ounces block-style cream cheese, softened
- 1 teaspoon ground cumin
- 1 teaspoon onion powder
- 1 teaspoon garlic powder
- ½ teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon chili powder
- 1 cup salsa
- 2 cups boneless skinless chicken breasts, cooked and shredded (We used rotisserie chicken.)
- 15 ounces golden sweet corn, drained; 1 can
- 15 ounces black beans, rinsed and drained; 1 can
- 8 ounces Colby jack cheese
- 10 ounces rotini pasta, cooked
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Instructions
- Preheat the oven to 350°F, and lightly grease a 9×13-inch baking pan or casserole dish.
- Combine the sour cream, cream cheese, cumin powder, onion powder, garlic powder, salt, pepper and chili powder in a large bowl.1 cup sour cream4 ounces block-style cream cheese1 teaspoon ground cumin1 teaspoon onion powder1 teaspoon garlic powder½ teaspoon salt½ teaspoon chili powder½ teaspoon black pepper
- Stir in the salsa until combined. Then add the chicken, corn, beans and half of the cheese.1 cup salsa2 cups boneless skinless chicken breasts15 ounces golden sweet corn15 ounces black beans4 ounces Colby jack cheese
- Gently toss in the pasta. Then pour the mixture into the prepared pan, and spread it an even layer.10 ounces rotini pasta
- Sprinkle on the remaining cheese and bake for 25-30 minutes or until the cheese is fully melted on top.4 ounces Colby jack cheese
- Serve with fresh pico de gallo, sour cream, freshly chopped green onions and lime wedges if desired.
Hi there I am wondering what other types of beans to replace the black beans?
Thank you.
Hi Balinda,
There are a few options you could try depending on what you like. Just make sure to rinse/drain whatever you choose. Here are my recommendations: pintos, kidney beans, white beans/great northern beans, navy beans, or chili beans. Hope that helps! 🙂
Easy and yummy meal!
I think kids would like it too if you don’t make it too spicy!!
Thank you Deb! Kim and I are glad you enjoyed the casserole. I agree, you don’t want to make it too spicy for the little ones. Thank you again for commenting and rating the recipe. Have a lovely day 🙂
I had to change it up just a little to make it lower carb….I swapped the pasta with pan fried cauliflower rice and cut the corn in half but followed the rest of the recipe to a tee. It was great, my husband said it was something he would order in a restaurant!
Thank you for commenting and rating the recipe Linda! The next time I make this casserole, I’ll try swapping out the pasta for cauliflower rice. That change sounds like a tasty way to cut the carbs. Thank again for sharing and have a lovely day 🙂
Very yummy! Added a can of drained rotel. 10 oz dry pasta not cooked. Although I think I could have used the whole pound of pasta.
Thank you Cheryl! The canned rotel and pasta sound like awesome additions to the casserole. I’ll have to try adding those the next I make this Kim and me. Thank you again for commenting and rating the recipe! Have a lovely day 🙂
What other pasta could you use if no rotini?
Hi Taylor,
Penne is one of our favorites. Rigatoni and medium shells also work. I like ziti, too, but it has a tendency to get really soft if it’s overcooked. It’s great if you can keep it al dente. Hope that helps! 😊
Do you pre cook the pasta?
Hi, Pam!
Yes, you do. 😊
We doubled this recipe for our weekly Sunday dinner and Wow!! Delicious! Our youngest grandson went back for seconds and declared it his favourite dinner!! Definitely a keeper- thank you!
Thank you so much! We’re glad everyone enjoyed it. Have a wonderful week! 😊
Have you ever tried this with rice instead of the pasta? I’m thinking of trying that substitution. If you have, any advice on cooking time would be appreciated. Thank you for this recipe!
Good Morning Maddie,
First off, let me apologize for not answering your question sooner. We just realized late last night we had a software hiccup and we were seeing comments. My apologies. In response to your question, no we have tried the casserole with rice. With that being said, I’m confident it’s doable. You have 2 options, you can add dry minute rice to the dish and try cook the recipe with no changes in cook time. Or, you can pre-cook regular white long grain rice in advance and add it to the recipe (again with no changes to the cook time). I hope this information is still helpful to you. If not, I completely understand. Have a lovely Friday!