Preheat oven to 350°F.
In a large bowl mix together:
salsa verde, cream cheese, sour cream, garlic powder, Al Pastor seasoning packet, and salt & pepper.
Fold in the shredded chicken and 1 cup of cheese.
In a 9x13 baking dish, layer:
half of the torn tortillas
half of the chicken mixture
Repeat with the remaining tortillas and chicken mixture.
Top with 1 cup shredded cheese.
Cover with foil and bake 25 minutes, then uncover and bake 10 more minutes until hot and bubbly.
Garnish with cilantro, green onions, or jalapeños.