In 3 quart casserole, place butter, chicken and onion.
Microwave at high (10) 7 to 8 minutes, until chicken is no longer pink, stirring every 2 minutes.
Add chicken soup, parsley, curry, seasoned salt, pepper and rice.
Insert metal accessory rack.
Preheat oven to 350°F.
Bake for 25 to 30 minutes