Preheat The Oven: Set the oven temperature to 350°F (175°C). Grease and save a 9 x 13-inch baking dish.
Prepare The Sauce: In a large mixing bowl, whisk together the condensed cream of chicken soup, milk, salt, pepper, curry powder, and garlic powder until smooth. This is the base of your flavorful sauce.
Assemble The Dish: Spread the steamed broccoli evenly across the bottom of the prepared baking dish. Then, layer the cooked diced chicken over the broccoli.
Add The Sauce: Pour the creamy sauce over the chicken and broccoli, making sure everything is well-coated.
Top With Cheese: Sprinkle the grated cheddar cheese evenly over the top of the dish. This will create that deliciously gooey, cheesy layer.
Cornflake Topping: In a small bowl, combine the crushed Corn Flakes cereal with the melted butter. Mix well, then sprinkle this crunchy topping over the cheese layer.
Bake: Place the baking dish in the preheated oven and bake for 25-30 minutes, or until the top is golden brown and the cheese is bubbly.
Serve: Let the Chicken Divan cool for a few minutes before serving. It pairs wonderfully with cooked rice, mashed potatoes, or buttered noodles. For a splash of color, do not forget to add some fresh parsley on top!