Preheat oven to 300 degrees F (150 degrees
C). Grease a 1 1/2 quart casserole dish.
Combine mashed potatoes, cream cheese, onion,
eggs, flour, salt and black pepper in an electric mixer. Beat 2 to
3 minutes at medium speed. Pour into prepared casserole dish.
Spread fried onions evenly over the top.