Preheat oven to 350 degrees.
Spread chicken in the bottom of a 9×13 inch baking dish.
Top with broccoli.
In a medium bowl, combine the mayonnaise, curry powder, cayenne pepper, garlic salt, salt & pepper , mix well.
Add half of cheddar cheese, cream of chicken & mushroom soup, mix again, then pour mixture over chicken & broccoli.
Sprinkle with remaining cheese & top with fried onions.
Bake at 350 for 30 minutes.