Preheat oven to 450°.

Cook Brocolli according to package and set aside.

Put cubed chicken in pot and add water to cover chicken. Add garlic powder and chicken seasoning to taste. Bring to a boil and cook until chicken is done. Drain and set aside.

In a bowl add cream of chicken soup and milk. Stir to combine and set aside.

In a bowl add melted butter and bread crumbs. Stir to combine and set aside.

In a casserole dish layer Brocolli, chicken, soup/milk mixture, then cheese. Evenly sprinkle bread crumb/butter mixture over the top.

Bake in preheated oven for 15 minutes or until top is golden brown.