Heat the oven to350°F
Fold in the soup, milk, soy sauce, beans and ⅔ cup onions in a 1 ½-quart oven safe casserole until all ingredients are combined
Season the mixture with salt and pepper
Bake for 25 minutes or until hot and bubbling
Stir the bean mixture
Sprinkle with the remaining ⅔ cup onions
Bake for another 5 minutes or until the onions are golden brown
Let green beans rest a few minutes before serving to help the flavors meld and the casserole settle
Store leftovers in an oven safe dish for easy reheating
