01 -
Grease a 23 x 33 cm casserole dish lightly with nonstick spray or butter, and preheat oven to 175°C.
02 -
In the prepared dish, combine the cream of chicken soup, sour cream, chicken stock, all-purpose seasoning, salt, pepper, and minced garlic. Whisk until smooth and homogeneous.
03 -
Add fresh spinach, shredded chicken, half of the grated Monterey Jack cheese, and dry orzo to the dish. Whisk or stir until all ingredients are evenly distributed throughout the liquid base.
04 -
Sprinkle the remaining Monterey Jack cheese evenly on top. Add a generous layer of crispy fried onions as the finishing topping.
05 -
Cover the casserole dish securely with foil. Bake in the preheated oven for 25 minutes.
06 -
Remove the foil and continue baking for an additional 10–15 minutes until the top is golden and the edges are bubbling.