Take the boiled corn kernels in a mixing bowl.
In a large bowl, whisk eggs, milk, and reserved 1 tablespoon oil. Add corn and stir to coat. Fold dry ingredients into corn mixture until just combined.
Working in batches and using a 1 1/2-tablespoon cookie scoop, drop heaping scoops of batter into oil. Cook fritters until deep golden brown, 3 to 4 minutes Using a spider or slotted spoon, transfer fritters to a paper towel-lined plate.
Sprinkle with powdered sugar and serve immediately.
Serve the Corn fitters.