01 - Whisk together flour, granulated sugar, baking powder, and salt in a large bowl until thoroughly blended.
02 - In a separate bowl, whisk milk, egg, melted butter, and vanilla extract until fully incorporated and smooth.
03 - Pour wet ingredients into dry mixture and stir until a soft, pliable dough comes together. Avoid overmixing.
04 - Turn dough onto a lightly floured surface and roll to 1/4-inch thickness using a rolling pin.
05 - Slice dough into strips approximately 1/2 inch wide and 3 inches long, resembling french fry shapes.
06 - Heat vegetable oil in deep fryer or heavy-bottomed pot to 350°F, maintaining temperature throughout frying.
07 - Fry strips in batches, turning occasionally, until golden brown and puffed, about 2-3 minutes per batch.
08 - Remove fries with slotted spoon and transfer to paper towels to drain briefly.
09 - Generously dust warm fries with powdered sugar, coating all sides evenly.
10 - Serve immediately while warm for optimal texture and flavor.