Step 1

Preheat the oven to 350°F.

Step 2

Spray a 9x13-inch baking dish with nonstick cooking spray. Set aside.

Step 3

Place the rice, chicken, salsa, sour cream, scallions, cumin, garlic powder, oregano, salt, black pepper, and shredded cheese in a large mixing bowl. Fold with a rubber spatula until everything is thoroughly combined.

Step 4

Transfer the mixture to the prepared baking dish and smooth it into an even layer. Sprinkle shredded cheese evenly over the top.

Step 5

Bake the casserole on middle rack of oven until cheese is golden brown and dish is gently bubbling at the edges, 35-40 minutes.

Step 6

Check to see that casserole is done. Remove from oven or add time as needed.

Step 7

Allow the casserole to rest for 15 minutes before serving.