01 -
In a medium bowl, whisk together flour, granulated sugar, baking powder, and salt. In another bowl, beat the egg, then mix in milk and vanilla extract. Combine the wet and dry ingredients until smooth.
02 -
Heat about 2 inches of vegetable oil in a deep fryer or large heavy pot to 350°F (175°C).
03 -
Working in batches, dip each Oreo cookie into the batter, ensuring it is completely coated.
04 -
Carefully lower the batter-coated Oreos into the hot oil using a slotted spoon. Fry for about 2-3 minutes, or until golden brown and crispy. Remove and drain on paper towels.
05 -
Dust the warm cookies with powdered sugar before serving.