This easy Mexican Chicken Casserole brings together a creamy white sauce, two cheeses, tender chicken, and classic Mexican seasonings for a flavorful, family-friendly weeknight dinner.
A Creamy, Cheesy Mexican Casserole Everyone Will Love
If you enjoy skillet cooking, grilling, or roasting, you know how those methods concentrate flavor. But when you want a mostly hands-off dinner without skimping on taste, a casserole is hard to beat. This Mexican-style chicken bake is bold and satisfying: layers of crushed corn chips, black beans, corn, chicken, tomatoes, and melty cheese all held together by a creamy sauce. It’s a modern, well-seasoned take on the classic casserole—and perfect for Tex‑Mex fans.
Ingredients
For this casserole you’ll need cooked chicken, cheeses, a few canned items, fresh tomatoes, and a creamy sauce. The core ingredients are:
- Cooked chicken: chopped chicken breast works well; dark meat or shredded rotisserie chicken are good alternatives.
- Tortilla chips: lightly crushed so they form crispy layers.
- Canned corn and black beans: one 15‑ounce can of each, rinsed and drained.
- Tomatoes: diced fresh tomatoes or a mild salsa if you prefer.
- Bechamel or cream-of-chicken substitute: creates a creamy base for the bake.
- Mozzarella: a small amount stirred into the sauce for extra creaminess.
- Shredded Mexican blend: layered and melted on top.
- Seasonings: chili powder, ground cumin, salt, and pepper (or a taco seasoning blend).
- Garnishes: chopped cilantro, sliced green onions, and diced jalapeño.
What is Bechamel?
Bechamel, or white sauce, is a simple mixture of butter, flour, and milk that thickens into a creamy base. It can be seasoned with salt, pepper, and an optional pinch of nutmeg.
To make bechamel: melt 3 tablespoons butter, whisk in 3 tablespoons flour and cook briefly without browning. Gradually whisk in 3 cups warm milk and cook until thickened, then season to taste.
How to Make This Easy Casserole
The casserole is assembled in layers and baked until hot and bubbly. It’s straightforward and results in a comforting, melty main dish that serves a crowd.
- Preheat and prepare: Preheat the oven to 350°F (175°C). Lightly grease a 13×9-inch baking dish. Crush tortilla chips and spread about 1 cup across the bottom.
- Mix sauce: Warm the bechamel (or cream-of-chicken substitute) and whisk in ½ cup shredded mozzarella. Pour one-third of the sauce over the chips and season with chili powder, cumin, salt, and pepper.
- Layer: Sprinkle about ¾ cup of shredded Mexican blend cheese, add one-third of the chicken, then one-third of the beans and corn. Add another layer of crushed chips. Repeat the sauce-cheese-chicken-beans-corn-chips layers two more times or until ingredients are used, finishing with the remaining shredded Mexican blend and the diced tomatoes on top.
- Bake: Bake uncovered for 20–25 minutes, until the casserole is hot and the cheese is fully melted and bubbly.
- Rest and serve: Let the casserole rest for at least 5 minutes to set. Garnish with chopped cilantro, green onions, and jalapeño, then serve.
Recipe Notes
Small tips to make the process easier and more flexible:
- Any cooked chicken works: Rotisserie, poached, grilled, or previously frozen cooked chicken are all fine. If using cold chicken, the bake may take a few extra minutes.
- Swap the protein: Ground beef, shredded pork, sausage, or leftover roasted meats can replace the chicken for a different twist.
- Add or substitute vegetables: Sautéed onions, bell peppers, zucchini, mushrooms, or broccoli can be included to boost nutrition and variety.
- Stretch it: Layer cooked rice, diced cooked potatoes, or egg noodles to bulk up the casserole and feed more people.
Side Dishes and Toppings
This casserole is a satisfying one‑dish meal, but it pairs nicely with simple sides and extra toppings:
- Salad: A crisp vegetable salad or an avocado‑tomato salad brightens the plate.
- Rice: Plain or seasoned rice complements the Tex‑Mex flavors.
- Dips and salsas: Fresh pico de gallo, guacamole, or a scoop of cowboy caviar make great accompaniments.
How to Store and Reheat Mexican Chicken Casserole
- Store leftovers covered in the refrigerator for 3–4 days or portion into airtight containers.
- To reheat, place the portion in a baking dish and warm at 350°F until heated through.
Freezing / Make‑Ahead Instructions
- You can freeze this casserole baked or unbaked. Let it cool completely if baked, wrap tightly with plastic wrap and foil, and freeze for up to 3 months.
- To bake from frozen, preheat the oven and place the covered casserole in the oven while it heats. Bake until thoroughly heated—typically 45 minutes to 1½ hours—checking occasionally.
More Hearty Dinner Casseroles
- The Best Baked Spaghetti Casserole
- Cabbage Roll Casserole Recipe
- Creamy Chicken Casserole