Creating a mouthwatering Chili Chicken Bake is as simple as following these concise steps:

1. Preheat the Oven: Preheat your oven to 375°F (190°C).
2. Prepare Chicken: In a large bowl, add chicken breasts, olive oil, taco seasoning, garlic powder, and onion powder. Toss until chicken is well coated.
3. Layer Ingredients: In a greased baking dish, layer the seasoned chicken at the bottom.
4. Add Beans and Corn: Evenly spread black beans and corn over the chicken layer.
5. Add Tomatoes: Pour the diced tomatoes with their juice over the beans and corn.
6. Spread Sour Cream: Gently spread sour cream over the top, ensuring even coverage.
7. Add Cheese: Generously sprinkle the shredded cheddar cheese over the entire dish.
8. Cover with Foil: Cover the baking dish with aluminum foil to keep moisture in while baking.
9. Bake: Place the dish in the preheated oven and bake for 25 minutes.
10. Remove Foil: After 25 minutes, remove the foil and bake for an additional 10-15 minutes or until the chicken is cooked through and the cheese is bubbly and golden.
11. Garnish: Once baked, let the dish rest for a few minutes. Garnish with fresh cilantro if desired.
12. Serve Hot: Enjoy your delicious Chili Chicken Bake while hot!

These straightforward instructions guide you to create a delightful dish effortlessly.