01 -
In a saucepan, bring water, sugar, vegetable oil, and salt to a boil over medium heat. Remove from the heat and stir in the flour until a smooth ball forms. Allow the dough to cool slightly.
02 -
Transfer the warm dough to a piping bag fitted with a large star tip.
03 -
Pour vegetable oil into a deep fryer or large heavy-bottomed pot to a depth of 5 cm and heat to 180°C.
04 -
Pipe strips of dough (10–12 cm each) directly into the hot oil, cutting with scissors for clean edges. Fry in batches, turning occasionally, until golden brown on all sides, about 2–3 minutes per side.
05 -
Remove churros from oil with a slotted spoon and drain on paper towels. While still warm, roll in cinnamon sugar mixture to coat evenly.
06 -
In a small saucepan, heat heavy cream and sugar over medium heat just until hot, avoiding boiling. Pour hot cream over chopped dark chocolate in a heatproof bowl. Let stand 1 minute, then stir until smooth. Incorporate vanilla extract.
07 -
Serve churros fresh and hot with chocolate sauce on the side for dipping.