Preheat your oven to 200 degrees Celsius. Line two baking sheets with parchment paper.
2
In a heavy-bottomed saucepan, combine the water, unsalted butter, and fine sea 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 of the 00 flour at once. Stir vigorously with a wooden spoon until the mixture forms a cohesive dough ball and pulls away from the sides of the pan.
