6. Cover the baking dish with aluminum foil and bake in the preheated oven for 20 minutes. Then remove the foil and continue baking for an additional 10-15 minutes, or until the cheese is melted and bubbly.

7. Remove the casserole from the oven and let it cool for a few minutes. Garnish with diced tomatoes, sliced green onions, and chopped cilantro if desired.

8. Serve the Sour Cream Chicken Enchilada Casserole hot, and enjoy!

This casserole is delicious and perfect for a family dinner or potluck. Feel free to customize it with your favorite toppings or additional ingredients. Enjoy!