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This Chicken Enchilada Casserole is the ultimate comfort meal cheesy, creamy, and loaded with layers of tender chicken, beans, tortillas, and flavorful enchilada sauce. It’s easy to assemble, makes great leftovers, and is perfect for feeding a crowd or prepping ahead for busy weeknights.

Ingredients

1 rotisserie chicken, shredded
1 (4 oz) can diced green chiles
1 (28 oz) can green enchilada sauce
1 cup sour cream
1 (15 oz) can pinto beans, drained and rinsed*
8 oz Mexican-style four cheese blend, shredded (divided)
9 (8-inch) flour tortillas (or corn tortillas, if preferred)
1 jalapeño, diced (optional)
1 tsp garlic powder

Instructions

Preheat the oven:
Set your oven to 425°F (220°C). Grease a 9×13-inch casserole dish and pour 1 cup of enchilada sauce into the bottom, spreading it evenly.
Prepare the tortillas:
Layer the bottom of the dish with tortillas. Cut them in half as needed to cover the surface completely without overlapping too much.
Make the creamy sauce:
In a medium bowl, whisk together 1 cup sour cream and 1 cup of enchilada sauce until smooth. Set aside.
Prepare the chicken filling:
In a large mixing bowl, combine shredded chicken, diced green chiles, pinto beans, 6 oz of the shredded cheese, diced jalapeño (if using), and garlic powder. Stir until evenly mixed.
Assemble the casserole:
- Layer 1 cup of the sour cream–enchilada sauce mixture over the tortillas.
- Add about 2 cups of the chicken mixture on top.
- Repeat the layers: tortillas, sauce, chicken mixture — finishing with a final layer of tortillas.
Top and bake:
Spread the remaining sauce on top, sprinkle the remaining 2 oz of cheese, and loosely cover with foil.
- Bake for 20 minutes covered, then remove the foil and bake for another 10 minutes.
- Optional: Broil on high for 3–5 minutes for a golden, bubbly top (watch closely to prevent burning).
Cool and serve:
Let the casserole cool for about 10 minutes before slicing. Garnish with your favorite toppings such as sour cream, avocado, diced tomatoes, chopped green onions, or hot sauce.

Why You’ll Love This Recipe

Creamy, cheesy, and full of Mexican-inspired flavors.
Uses convenient rotisserie chicken for quick prep.
Perfect for family dinners, potlucks, or meal prep.
Freezer-friendly and reheats beautifully.
Customizable with your favorite beans, veggies, or tortillas.

Tips

Don’t skip the layering: Proper layering helps the casserole hold its shape and ensures every bite has sauce, chicken, and cheese.
Let it rest: Allow the casserole to cool slightly before slicing to keep the layers intact.
Make it ahead: Assemble it earlier in the day, cover tightly, and refrigerate until ready to bake.
Add spice: Include diced jalapeños, chili flakes, or a few dashes of hot sauce for extra heat.

Variations and Substitutions

Tortillas: Swap flour tortillas for corn tortillas for a gluten-free version.
Protein: Try shredded turkey, beef, or even cooked black beans for a vegetarian version.
Cheese: Use Monterey Jack, cheddar, or pepper jack instead of Mexican blend.
Beans: Substitute pinto beans with black beans or omit them for a lighter dish.
Sauce: Red enchilada sauce works well too for a richer, smoky flavor.

FAQs

Can I make this ahead of time?
Yes! Assemble the casserole up to 24 hours in advance, cover, and refrigerate. Bake when ready.

Can I freeze it?
Absolutely. Freeze before baking (wrapped tightly in foil) for up to 3 months. Thaw overnight in the fridge before baking.

Can I use cooked chicken breasts instead of rotisserie chicken?
Yes. Shred or dice about 4 cups of cooked chicken breasts.

Why is my casserole watery?
If your sauce is very thin, reduce it slightly on the stovetop before layering, or let the casserole rest after baking so it thickens.

Serving and Suggestions

Serve this Chicken Enchilada Casserole warm with classic sides like Mexican rice, refried beans, or a fresh salad. Add toppings such as guacamole, sliced avocado, sour cream, cilantro, or pico de gallo for extra flavor. It also pairs beautifully with tortilla chips or a lime wedge for a zesty finish.