01 -
In a medium bowl, whisk together the flour, baking powder, sugar, and salt until evenly combined.
02 -
In a second bowl, whisk the milk, egg, vanilla, and melted butter until smooth.
03 -
Pour the wet mixture into the dry mixture and whisk just until smooth. Let the batter rest for 5 minutes while the oil heats.
04 -
Pour oil into a heavy pot to a depth of about 2 inches. Heat to 350°F to 365°F over medium heat.
05 -
Transfer the batter to a piping bag or zip-top bag. Snip a small corner and pipe quarter-size loops into the hot oil, working in small batches.
06 -
Fry for 60-90 seconds per side, turning gently with a slotted spoon, until puffed and golden brown.
07 -
Transfer the bites to a paper towel-lined rack or plate. Dust with powdered sugar while warm and serve right away with optional sauces.