Preheat oven to 350. Spray an 8 x 8 baking dish with cooking spray.
Set aside ⅓ cup of the shredded cheese to use as a topping. Stir together the remaining ingredients. Spread in the prepared baking dish. Sprinkle with the reserved cheese.
Bake for 50-60 minutes, until the casserole is golden and bubbly.
Notes
You can use homemade bouillon powder or 1 teaspoon concentrated chicken stock paste. I use the organic Better than Bouillon concentrate. If you prefer to make your own check out this recipe.