This easy Mexican Chicken Casserole is a family favorite—comforting, simple to assemble, and ideal for both weeknight dinners and make-ahead freezer meals. Layers of torn flour tortillas, tender cooked chicken, a creamy salsa-chicken soup sauce, and melted cheddar cheese combine into a hearty, crowd-pleasing dish that can be scaled for two or stretched to feed a crowd.

I first made this Mexican Chicken Casserole years ago and it quickly became one of my go-to dinners. It’s equally satisfying baked fresh or assembled and frozen for later. When cooking for two, I assemble the casserole in smaller pans so we can enjoy one now and freeze the other. For guests or a larger family, this fills a 9×13-inch pan beautifully. Serve with baked rice and a simple green salad for a complete meal.
Why You’ll Love This Recipe
- Quick and easy: Uses pantry staples and ready-cooked chicken for minimal prep.
- Meal prep friendly: Assembles well for freezing—great for busy weeks.
- Customizable: Top with fresh tomatoes, avocado, sour cream, or your favorite Mexican condiments.
- Feeds a crowd: Easily doubles or halves depending on your needs.

Ingredients
Below are the ingredients you’ll need for a 9×13-inch casserole that yields approximately 8 servings. Measurements are listed for the full pan.
- 1 (10.5 oz) can cream of chicken soup
- 1 cup salsa (mild or spicy, to taste)
- 1/2 cup milk
- 6 large flour tortillas, cut into thin strips or bite-sized squares
- 3 cups cooked, diced or shredded chicken (rotisserie or poached chicken work well)
- 1 cup shredded cheddar cheese (or more to taste)
- Optional toppings: diced fresh tomatoes, sour cream, guacamole, extra salsa
Yield, Time, and Nutrition
- Yield: about 8 servings
- Prep time: 10 minutes
- Cook time: 45 minutes
- Total time: 55 minutes
Nutrition (per serving, approximate)
Calories: 339 • Total Fat: 17g • Saturated Fat: 6g • Cholesterol: 66mg • Sodium: 809mg • Carbohydrates: 27g • Fiber: 2g • Sugar: 2g • Protein: 20g
Simple Instructions
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish.
- Cut the flour tortillas into thin strips or small squares so they layer easily.
- In a medium bowl, whisk together the cream of chicken soup, salsa, and milk until smooth.
- Spread one-third of the tortilla pieces evenly across the bottom of the prepared pan.
- Top with half of the diced cooked chicken, then pour half of the salsa-soup mixture over the chicken.
- Repeat the layers: another third of the tortillas, the remaining chicken, and the remaining salsa mixture. Finish with the last tortilla layer on top.
- Sprinkle the shredded cheddar cheese over the top layer.
- Cover the pan with foil and bake for 40 minutes, until the casserole is bubbly around the edges and heated through. Remove the foil and bake another 5 minutes, or until the cheese is melted and lightly browned.
- Let rest 5–10 minutes before serving. Garnish with diced fresh tomatoes or chopped cilantro if desired.

How to Portion, Cook, and Freeze
- For two people: Divide the ingredients between two smaller, oven-safe dishes. Bake one and freeze the other for an easy future meal.
- Freezing assembled casseroles: Assemble in a freezer-safe dish, wrap tightly with plastic wrap and foil, and freeze. Thaw overnight in the refrigerator before baking for best results.
- Baking from frozen: If you bake directly from the freezer, cover with foil and bake at 350°F for about 45–50 minutes, then uncover and bake until heated through and bubbly (timing may vary based on dish size and oven).

Helpful Tips
- Shortcuts for the chicken: Use leftover roast or rotisserie chicken, or poach boneless skinless breasts for quick shredding.
- Gluten-free option: Substitute corn tortillas for flour tortillas to make the casserole gluten-free.
- Cheese options: Monterey Jack, pepper jack, or a Mexican cheese blend melt beautifully—add extra for a cheesier top.
- Cutting tortillas: Stack tortillas and use a serrated knife to slice them quickly into strips or squares.
Suggested Side Dishes
- Easy baked oven rice or fluffy white rice
- A crisp green salad with a light vinaigrette
- Sides of salsa, guacamole, and sour cream for added freshness and flavor

Other Casserole Ideas
- Chicken casserole with Swiss cheese and stuffing—another freezer-friendly option that adapts well for smaller portions.
- Leftover turkey or chicken casserole—use leftover poultry for an easy comfort meal.
- Hamburger or cheeseburger casserole with biscuit topping—great for feeding picky eaters.
Pin this recipe or save a copy so you can make it again and again. This Mexican Chicken Casserole is dependable, versatile, and perfect for busy families or anyone who appreciates a hearty, comforting baked meal.
© Rita Joy









