Preheat Oven – Set to 375°F (190°C). Line a baking sheet with parchment paper.
Prepare Pastry – Roll out puff pastry and cut into six circles or squares. Place on a lined baking sheet.
Bake Pastry – Bake for 15 minutes, until golden and puffed. Cool slightly.
Make Custard – Heat heavy cream and cold brew in a saucepan until steaming.
Whisk Yolks – In a bowl, whisk egg yolks, sugar, vanilla, cornstarch, and salt.
Combine Mixtures – Slowly pour hot cream into the egg mixture, whisking constantly.
Thicken Custard – Return to low heat, stirring until thick. Remove and cool.
Assemble Pastries – Spoon custard onto baked pastry shells.
Caramelize – Sprinkle sugar over the custard and torch until golden and crisp.
Serve & Enjoy – Let cool for a minute before breaking that perfect sugar crust.