In a saceoan, mix water, salt, sugar and butter. Place it a medium heat unti the butter melts and starts simmering.
Reduce the heat, add the flour and fold it in. Cook and stir constantly with a spatula until mixture comes together and is smooth.
Add the vanilla, transfer to a new bowl and wait for the mixture to cool.
Use an electric mixer to incorporate the eggs one at the time.
Transfer the choux pastry into a piping bag with a star tip.
You can pipe the churros directly into hot oil to fry, or pipe them into precut parchment paper pieces, and fry them in hot frying oil.
Fry for about 2 minutes on each side, or until golden brown.
Allow the Churros to slightly cool, then coat them with sugar. You can add vanilla flavores sugar or cinnamon to the sugar if you prefer to.