Preheat the Oven: Set your oven to 350°F (175°C) so it’s ready for baking.
Prepare the Chicken Mixture: In a large mixing bowl, combine the shredded chicken, sliced bell pepper, sliced onion, corn, black beans, salsa, chili powder, ground cumin, and half of the shredded cheddar cheese. Season generously with salt and pepper, then mix until all ingredients are evenly distributed and coated.
Create the Base Layer: Grease a 9x13 inch baking dish. Spread half of the tortilla strips evenly on the bottom to form the base layer.
Layer It Up: Spoon half of the chicken mixture over the tortilla strips, spreading it out evenly. Add another layer of tortilla strips on top, followed by the remaining chicken mixture, ensuring it’s evenly distributed.
Finish the Top Layer: Place the remaining tortilla strips on top of the casserole. Gently dollop sour cream across the surface and sprinkle the remaining shredded cheddar cheese evenly over the sour cream layer.
Bake Covered: Cover the baking dish with aluminum foil to keep moisture in and bake in the preheated oven for 25 minutes.
Bake Until Golden: After 25 minutes, carefully remove the foil. Continue baking for an additional 15 minutes, or until the cheese is melted, bubbly, and golden brown.
Cool and Garnish: Remove the casserole from the oven and allow it to cool for a few minutes before serving. If desired, sprinkle fresh cilantro on top for a burst of color and flavor.
Notes
Serve with avocado slices or tortilla chips for added crunch.