01 - Whisk together flour, granulated sugar, baking powder, and salt in a large bowl until evenly blended.
02 - Whisk milk, egg, melted butter, and vanilla extract in a separate bowl until fully incorporated.
03 - Pour the wet mixture into the dry ingredients and stir until a soft, cohesive dough forms.
04 - Turn dough onto a lightly floured surface and roll to 1/4-inch thickness. Cut into strips 1/2 inch wide and 3 inches long.
05 - Heat vegetable oil in a deep fryer or heavy-bottomed pot to 350°F.
06 - Fry dough strips in batches, turning occasionally, until golden brown and puffed, about 2-3 minutes per batch.
07 - Remove with a slotted spoon, drain on paper towels, and dust generously with powdered sugar while still warm.
08 - Serve immediately for optimal texture and flavor.