Mexican Chicken Alfredo Casserole
Imagine a dish that perfectly marries the creamy goodness of Alfredo sauce with the vibrant flavors of Mexican cuisine. That’s exactly what you’ll get with this delightful Mexican Chicken Alfredo Casserole. Perfect for busy weeknights or gatherings with family and friends, this casserole is not only easy to prepare but also incredibly satisfying. Creamy, cheesy, and loaded with flavor, it’s a comforting meal that will soon become a favorite at your dinner table.
Every bite of this Mexican Chicken Alfredo Casserole is a celebration of taste. With the hearty goodness of chicken, the rich Alfredo sauce, and the unique zest from salsa and taco seasoning, you’ll find yourself coming back for seconds—and maybe even thirds! Let’s dive into why cooks rave about this dish and how you can create it in your own kitchen.
Why Cooks Rave About It
Cooks everywhere are falling in love with Mexican Chicken Alfredo Casserole for good reason. It combines the best of both worlds: the creaminess of Alfredo with the bold, spicy flavors of Mexican cuisine. This casserole is a one-dish wonder that simplifies cooking and cleanup, making it perfect for busy weeknights. Plus, it’s adaptable, allowing for various ingredient swaps to suit your dietary preferences or what you have on hand.
The convenience of using cooked chicken makes this dish quick to prepare, and the leftovers (if there are any!) taste even better the next day. It’s a crowd-pleaser that brings smiles to the table and is sure to impress guests at potlucks or family gatherings.
What’s in the Bowl
To whip up this delicious Mexican Chicken Alfredo Casserole, gather the following ingredients:
- 1 (16-oz) package penne pasta – A great choice for holding the creamy sauce.
- 4 cups cooked chopped chicken – Use rotisserie chicken for convenience!
- 2 Tbsp minced onion flakes – For a hint of sweetness and depth of flavor.
- 2 (15-oz) jars Alfredo sauce – The creamy base that ties everything together.
- 1 cup salsa – Adds a spicy kick and a fresh flavor.
- 1 cup ricotta cheese – For extra creaminess and a rich texture.
- 1 (1-oz) package taco seasoning – Infuses the dish with classic Mexican spices.
- 1 cup grated Parmesan cheese – For that cheesy topping that melts beautifully.
Equipment & Tools
Before you start cooking, make sure you have the following equipment ready:
- Large pot – For boiling the pasta.
- Mixing bowl – To combine all the ingredients.
- 9×13 inch baking dish – The perfect size for baking your casserole.
- Spoon or spatula – For mixing and spreading the casserole.
- Oven – Preheated to ensure even cooking.
Make Mexican Chicken Alfredo Casserole: A Simple Method

Follow these easy steps to create your Mexican Chicken Alfredo Casserole:
Step 1: Cook the Pasta
Begin by boiling a large pot of salted water. Add the penne pasta and cook according to package instructions until al dente. Drain and set aside.
Step 2: Prepare the Chicken Mixture
In a large mixing bowl, combine the cooked chopped chicken, minced onion flakes, Alfredo sauce, salsa, ricotta cheese, and taco seasoning. Stir until everything is well mixed and evenly coated.
Step 3: Combine with Pasta
Add the drained penne pasta to the chicken mixture. Gently fold the pasta into the sauce until it’s evenly coated.
Step 4: Transfer to Baking Dish
Pour the pasta and chicken mixture into a greased 9×13 inch baking dish. Spread it out evenly, ensuring that the mixture is evenly distributed.
Step 5: Add Cheese Topping
Sprinkle the grated Parmesan cheese evenly over the top of the casserole. This will create a delicious, cheesy crust when baked.
Step 6: Bake
Place the baking dish in a preheated oven at 350°F (175°C) and bake for 25-30 minutes, or until the cheese is bubbly and golden brown.
Make It Fit Your Plan

This Mexican Chicken Alfredo Casserole is versatile and can be adapted to fit various dietary needs or preferences:
- Vegetarian Option: Substitute the chicken with black beans or grilled vegetables.
- Gluten-Free: Use gluten-free penne pasta and ensure your sauces are gluten-free.
- Spicy Kick: Add jalapeños or a dash of hot sauce to the mixture for extra heat.
- Extra Veggies: Incorporate chopped bell peppers or spinach for added nutrition.
Pitfalls & How to Prevent Them
While making this casserole is straightforward, here are a few common pitfalls and how to avoid them:
- Overcooking the Pasta: Make sure to cook the penne until just al dente, as it will continue to cook in the oven.
- Dry Casserole: Ensure to mix the ingredients well so that the pasta is coated in sauce. If it seems dry, add a little more Alfredo sauce.
- Bubbling Over: Use a large enough baking dish to prevent overflow during baking.
- Cheese Not Melting Properly: Cover the dish with foil for the first half of baking to ensure even melting.
Cooling, Storing & Rewarming
After you’ve enjoyed your Mexican Chicken Alfredo Casserole, here’s how to handle leftovers:
Allow the casserole to cool to room temperature before storing. Transfer any leftovers to an airtight container and refrigerate for up to 3-4 days. When you’re ready to reheat, simply place it in a preheated oven at 350°F (175°C) until warmed through, approximately 20-25 minutes. You can also microwave individual portions for a quick meal.
Top Questions & Answers
Can I use a different type of pasta?
Absolutely! While penne works great, you can use any pasta shape you prefer, such as rotini or shells. Just be sure to adjust the cooking time as needed.
Is this casserole freezer-friendly?
Yes! You can prepare the casserole ahead of time and freeze it before baking. Just wrap it tightly in plastic wrap and aluminum foil. When ready to bake, thaw it overnight in the fridge and bake as directed.
What can I serve with this casserole?
This dish pairs beautifully with a fresh green salad, garlic bread, or even some corn on the cob for a complete meal.
Can I make this casserole ahead of time?
Yes! You can assemble the casserole a day in advance, cover it, and store it in the refrigerator. Just bake it when you’re ready to serve.
Because You Liked This
If you enjoyed making Mexican Chicken Alfredo Casserole, you might also love these recipes:
- Chicken Enchilada Casserole – A spicy, cheesy delight.
- Creamy Chicken Pasta – Simple and comforting.
- Vegan Mexican Casserole – A plant-based twist on a classic.
- Cheesy Baked Ziti – Another pasta favorite!
The Takeaway
Mexican Chicken Alfredo Casserole is a delightful dish that combines creamy Alfredo sauce with the bold flavors of Mexican cuisine. It’s not only a hit at the dinner table but also incredibly easy to prepare, making it a perfect choice for busy weeknights or casual gatherings. With a few simple ingredients and steps, you can create a meal that warms the heart and satisfies the taste buds. So gather your ingredients, preheat your oven, and get ready to enjoy this delectable casserole that’s bound to become a new family favorite!

Mexican Chicken Alfredo Casserole
Ingredients
- 1 package penne pasta 16-oz
- 4 cups cooked chopped chicken
- 2 Tbsp minced onion flakes
- 2 jars Alfredo sauce 15-oz each
- 1 cup salsa
- 1 cup ricotta cheese
- 1 package taco seasoning 1-oz
- 1 cup grated Parmesan cheese
Instructions
- Begin by boiling a large pot of salted water. Add the penne pasta and cook according to package instructions until al dente. Drain and set aside.
- In a large mixing bowl, combine the cooked chopped chicken, minced onion flakes, Alfredo sauce, salsa, ricotta cheese, and taco seasoning. Stir until everything is well mixed and evenly coated.
- Add the drained penne pasta to the chicken mixture. Gently fold the pasta into the sauce until it’s evenly coated.
- Pour the pasta and chicken mixture into a greased 9x13 inch baking dish. Spread it out evenly, ensuring that the mixture is evenly distributed.
- Sprinkle the grated Parmesan cheese evenly over the top of the casserole. This will create a delicious, cheesy crust when baked.
- Place the baking dish in a preheated oven at 350°F (175°C) and bake for 25-30 minutes, or until the cheese is bubbly and golden brown.
Equipment
- Large Pot
- Mixing Bowl
- 9x13 inch Baking Dish
- Spoon or Spatula
- Oven
Notes
- Use rotisserie chicken for a quick and easy option.
- Substitute chicken with black beans or grilled vegetables for a vegetarian alternative.
- Ensure pasta is cooked al dente to avoid overcooking during baking.
- Store leftovers in an airtight container in the refrigerator for up to 3-4 days.
- Freeze the casserole before baking for meal prep convenience.

