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How to Make Perfect Mille-Feuille: A Step-by-Step Guide

Mille-feuille, or Napoleon, is a classic French pastry celebrated for its delicate, flaky layers and creamy filling. Creating this masterpiece requires precision, but with this guide, you’ll achieve bakery-perfect results.

Ingredients: For the puff pastry, you’ll need 500g all-purpose flour, 10g salt, 350g cold unsalted butter, and 250ml ice water. For the pastry cream, whisk 500ml whole milk, 100g sugar, 5 egg yolks, 50g cornstarch, and 1 vanilla bean.

Steps:

1. Make the Puff Pastry: Combine flour and salt, then incorporate cold butter diced into small cubes. Gradually add ice water until a dough forms. Chill for 1 hour. Roll the dough into a thin rectangle, fold it into thirds (like a letter), and repeat rolling and folding twice more. Chill for 2 hours.

2. Bake the Layers: Preheat the oven to 200°C (400°F). Roll the dough to 3mm thickness, cut into rectangles, and prick with a fork. Bake for 20–25 minutes until golden and puffed. Cool completely.

3. Prepare the Pastry Cream: Heat milk with vanilla. Whisk egg yolks, sugar, and cornstarch until smooth. Pour hot milk into the yolk mixture, then return to the stove, stirring constantly until thickened. Cool, covering the surface with plastic wrap to prevent a skin.

4. Assemble: Spread pastry cream evenly over one pastry layer, top with another layer, and repeat. Finish with a final layer on top. Dust generously with powdered sugar just before serving.

Tip: Keep ingredients cold to ensure the pastry stays flaky. Enjoy your homemade mille-feuille!