Heat oven to 350°F. In un-greased 1 1/2-quart casserole, mix soup, soy sauce, pepper, bread crumbs, green beans and 2/3 cup of the onions.
Bake about 30 minutes or until hot and bubbly. Stir; sprinkle with remaining onions.
Bake about 10 minutes longer or until onions are golden brown.