In 3 quart saucepan, combine ... until tender. Drain. Mash potatoes, gradually stirring in salad dressing, cream cheese, onion powder, ... or until thoroughly heated.
Saute mushrooms, onions in 2 ... 1 cup salad dressing, turkey or chicken, vegetables ... Top casserole with potato mixture, broil until golden. Sprinkle ... to melt. Serves 6.