Heat the oven to 350°F. Spray a 9x13 inch casserole dish with cooking spray and set aside.
In a large saute pan, melt the butter and add the chilis. Cook for 4 to 5 minutes until softened. Make a hole in the middle of the chilis and stir in the flour with the butter.
2 Tablespoons butter, 4 large poblano peppers, 3 Tablespoons all-purpose flour
Whisk in ⅔ cup milk (not all of the milk), then add the cream cheese, cumin, salt and pepper and stir until melted and combined. Simmer the sauce for 3-5 minutes until thickened.
1 cup milk, 1 8 ounce package cream cheese, ½ teaspoon cumin, 1 teaspoon salt, ½ teaspoon ground black pepper
Remove from heat. Stir in the chicken and 2 cups cheese (not all of it, but if you dumped it all in you're still okay).Beat 3 of the eggs and add to the chicken mixture. Set aside the remaining egg for the cornbread topping. 2 cups shredded chicken, 3 cups Monterey Jack cheese, 4 large eggs
Spread the creamy mixture evenly in the pan. Sprinkle the remaining cheese evenly over the base..
In a separate bowl, combine the cornbread mix, remaining egg and ⅓ cup milk. Spoon evenly over the cheese.
1 package
Bake for 45 minutes until the top has puffed and is lightly browned. The eggs should be set. Remove and allow to set for 5 minutes before slicing.