instant mashed potatoes
Preheat oven to 350 degrees F.
Combine egg, scallion, sour cream, salt and pepper.
Make instant potatoes according to package directions, EXCEPT omit the milk; instead, add the sour cream mixture.
Toss corn flakes with butter and onion salt, to taste; spoon on top of potato mixture.
Bake for about 20 minutes, or until the crumbs begin to brown.