01 - Place grated raw potatoes in a clean kitchen towel and squeeze out as much moisture as possible. This step is crucial for achieving crispy pancakes.
02 - In a large bowl, combine the squeezed grated potatoes, mashed potatoes, sliced scallions, and melted butter. Mix until evenly distributed.
03 - In a separate bowl, whisk together the flour, baking powder, salt, and pepper until well combined.
04 - Add the dry ingredients to the potato mixture, then pour in the milk. Mix gently until a thick batter forms. Be careful not to overwork the mixture.
05 - Heat 1 tablespoon oil in a large nonstick skillet over medium heat until shimmering.
06 - Scoop approximately 1/4 cup of batter per pancake into the skillet. Flatten gently with a spatula to form even rounds. Fry for 3-4 minutes per side until golden brown and crispy.
07 - Transfer cooked pancakes to a paper towel-lined plate to drain excess oil. Serve hot, garnished with additional scallions if desired. Add more oil between batches as needed.