3 cups freshly mashed potatoes
1/2 cup all-purpose flour
1/4 cup onion, diced
1/2 teaspoon salt and pepper
canola oil, as needed for frying
1. Combine potatoes with flour, onion, salt, and pepper.
2. Heat oil (about 1/2") in a large skillet to medium-high heat.
3. Shape potato mix into patties and fry in hot oil until brown, about 2 minutes on each side.
Drain on paper towels and serve hot with horseradish.