01 -
Stir the mashed potatoes, shredded cheddar, sliced green onions, egg, and 3 tablespoons of flour together in a big bowl until it's nicely mixed.
02 -
Split the mixture into 12 equal parts. Shape each one into a small ball, then flatten them gently into rounds about half an inch thick.
03 -
Add the remaining 1/2 cup of flour to a shallow dish. Coat each pancake well by pressing them into the flour.
04 -
Pour 3 to 4 tablespoons of vegetable oil into a large frying pan, and heat it on medium. Make sure the oil spreads across the bottom.
05 -
Cook a few at a time, letting each side brown and crisp up for 3 to 4 minutes. Don't flip them too early, and keep the pan from getting too crowded.
06 -
Put the cooked pancakes on a plate with paper towels and sprinkle them with salt right away. Serve with a dollop of sour cream and more chopped green onions if you'd like.