Heat oven to 350 degrees. Grease 12z8-inch baking dish. Cook broccoli as directed on package; drain. Arrange broccoli in prepared baking dish. Layer chicken over broccoli. In small bowl, combine soup, mayonnaise and lemon juice; mix well. Spread over chicken. Sprinkle with cheese. In small bowl, combine crumbs and butter; sprinkle over top. Bake at 350 degrees for 30 to 35 minutes or until thoroughly heated.
6 servings