Cook broccoli according to package directions; drain. Arrange broccoli in a buttered 10 x 6 x 2 inch baking dish.
In a medium mixing bowl combine soup, Sour Cream, Cheddar cheese, and chopped onion. Spoon over the broccoli. Cut bread into 1 inch cubes.
In a small bowl, combine bread cubes and butter; toss to coat. Sprinkle over soup mixture in baking dish.
Bake at 350° F for 20 to 25 minutes or until heated through.
Servings: 8