Stir together potatoes, scallions, flour, eggs, salt and pepper. 

 Heat oil in a deep skillet over moderately high heat until hot but not smoking. 

 Working in batches, spoon ⅛ cup potato mixture into oil and flatten. Reduce heat to moderate and cook until golen brown. Transfer latkes to paper towels to drain. 

 Serve with ½ cup regular or parve sour cream mixed with 1 tablespoon maple syrup if desired.