Mix your cold mashed potatoes with your garlic salt, pepper and one beaten egg
Roll into ping-pong sized balls
Place onto a cookie sheet and keep in the fridge until ready to fry
Heat your oil to 425 degrees
When ready to fry pull your mashed potatoes back out of the fridge and drop them one at a time into first the egg and water mixture and then into the breadcrumbs
Fry each one until golden brown, 3-4 minutes
Serve with your favorite dipping sauce and enjoy!