Heat oven to 350°F. In 1 1/2-quart casserole, stir together soup, cheese blend and soy sauce. Stir in green beans, bell pepper and 1 cup of the onions.
2Cover; bake about 30 minutes or until beans are tender and mixture is heated through. Stir; top with remaining 1/2 cup onions.
3Bake uncovered about 5 minutes longer or until onions are brown and crisp.