Cook the Chicken breasts, cool and cube the meat.
Layer it on the botton of a 9" x 13" casserole and cover with broccoli.
Mix in a bowl: soup, mayonnaise, lemon juice amd curry powder.
Pour sauce over the chicken/broccoli and cover with cheddar cheese. Cover this with buttered bread crumbs (mix dry bread crumbs and melted butter).
Bake at 350° F. until bubbly.