Preheat your oven to 200°C (390°F). Line two baking sheets with parchment paper.
2
In a medium saucepan, combine the Water, Unsalted butter, and Salt. Bring the mixture to a rolling boil over medium heat, ensuring the Unsalted butter is fully melted.
3
Remove the saucepan from the heat and immediately add all the 00 flour at once. Stir vigorously with a wooden spoon until a smooth dough forms and pulls away from the sides of the pan.