Creating this incredible White Chicken Chili Bake is easy when you follow these simple steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Sauté Chicken: In a large skillet, heat the olive oil over medium heat. Add the cooked shredded chicken and sauté for about 2-3 minutes.
3. Mix Ingredients: To the skillet, add the white beans, diced green chilies, corn, chicken broth, sour cream, chili powder, cumin, garlic powder, onion powder, salt, and pepper. Stir until everything is well combined.
4. Transfer to Baking Dish: Pour the mixture into a greased 9×13 inch baking dish, spreading it evenly.
5. Top with Cheese: Sprinkle the shredded Monterey Jack cheese generously over the top.
6. Bake: Place the baking dish in the preheated oven and bake for about 25-30 minutes, or until the cheese is bubbly and golden.
7. Garnish: Once baked, remove from the oven and let it cool for a few minutes. Garnish with fresh cilantro if desired.
8. Serve: Scoop portions onto plates and enjoy!

These steps will guide you in creating an amazing meal that will wow your family and friends.