Step 1

Preheat the oven to 375 degrees F.

Step 2

In a large bowl, combine the sour cream, the red sauce, the chicken, the tortillas, 1 cup of the cheese, and the pico de gallo.

Step 3

Pour the chicken mixture into a 13x9-inch baking dish.

Step 4

Bake, uncovered, until heated through and the cheese is bubbly, about 25 minutes.

Step 5

Serve.