Preheat the oven to 350˚F.
Combine the green beans, cream of mushroom soup, milk, soy sauce, and garlic powder together in a mixing bowl and mix to combine.
Transfer green bean mixture to a small casserole dish and spread evenly.Top the green beans with french fried onions.
Bake for 20-30 minutes or until the edges are bubbly and the onions are crisp.
Let sit 5 minutes, then serve warm.
