– 1 lb. (400 g) medium-sized potatoes, peeled and grated
– 1 large egg
– 1 small yellow onion, grated
– 3 tablespoons all-purpose flour
– 1 teaspoon salt or to taste
– 1 teaspoon ground black pepper ot to taste
– 2 tablespoons oil
– 2 tablespoons sour cream
– Chopped parsley, for garnishing