Pre-heat oven to 375 degrees F.
Mix together all the ingredients except the breadcrumbs.
Place the breadcrumbs and corn flake crumbs into a shallow bowl and mix together. Then line a baking sheet with parchment paper and begin to roll about a tablespoon of the mixture into a ball.l
Sprinkle with flour
Dredge in egg
Dredge in the breadcrumb/cornflake mixture and place on baking sheet.
Continue until there is no more mashed potato mixture. Place pan in refrigerator for about a ½ hour to chill the puffs.
When ready to bake, remove from refrigerator and bake in preheated oven for 20-25 minutes. Garnish with leftover scallions.
