In medium bowl, thoroughly combine all-purpose flour, baking powder, salt, and sugar. Set aside.
Pour 1/4 cup of milk into measuring cup. Stir in egg and melted butter until well combined.
Pour egg mixture (wet) into flour mixture (dry). Whisk together until well combined. Stir in corn. Set aside.
Layer three folded paper towels on a heatproof container. Place on counter close to stove.
Heat oil over low heat in a deep skillet until sizzling hot (but not smoking). Oil is ready when a drop of batter quickly turns brown.
Drop 1/4 cup of batter into sizzling hot oil. Flatten lightly with a spatula or spoon. Fry in batches of three. Cook 4 to 5 minutes on each side or until golden brown. Flip over and repeat.
To avoid burning, do not leave stove while fritters are burning.
Use a slotted spoon to remove fritters and place on paper towels to drain.
Serve warm or hot. Sprinkle with powdered sugar or drizzle with honey.