Step 1: Preheat the oven to 350°F (175°C) to ensure even baking.
Step 2: In a large mixing bowl, combine the cubed chicken breast and taco seasoning, ensuring the chicken is evenly coated.
Step 3: Add the drained black beans, drained corn, salsa, and water to the bowl with the chicken. Stir until well combined.
Step 4: Pour the chicken mixture into a 9x13 inch baking dish, spreading it out evenly.
Step 5: Sprinkle shredded cheese over the top, followed by crushed tortilla chips.
Step 6: Bake for 25-30 minutes, or until the cheese is melted and bubbly.
Step 7: Let cool slightly, garnish with chopped green onions if desired, and serve warm.
