Combine water, butter, sugar and salt in a medium pot and bring to boil over medium heat.

Turn off heat and add flour all at once. Stir briskly until a ball forms.

Turn into a large bowl or mixing bowl. Let cool 5 minutes.

Beat eggs with vanilla in a small bowl.

Mix in half the eggs either with a wooden spoon or electric mixer on medium speed until combined. Mix in remaining egg until smooth.

Heat 2-3 inches of oil to 350ºF.
Set up a piping bag with a ½ inch star tip and fill with half the dough or fill a churrera fitted with a star tip.

Fry 4 churros at a time for 2-3 minutes on each side. Turn them with a slotted spoon.

When golden brown, remove to paper-lined tray to drain.

Serve hot.