Prep Time: 2 hours (+ 3 days for dough) | Cook Time: 18 minutes | Servings: 12 pieces
Laminated dough is the single most technically demanding discipline in pastry. It’s also the one that separates a trained pastry chef from an enthusiastic home baker. I spent three months — three full months — in a professional kitchen doing nothing but croissants and pain au chocolat before my head chef would let me touch anything else. He was right to insist on this.
Pain au chocolat (or chocolate croissant if you’re being casual about it) is the ultimate test of your lamination skills. Layers of butter, folded into the dough repeatedly, creating hundreds of thin, alternating layers of fat and dough that steam apart during baking and create that flaky, shattering exterior over a pull-apart, honeycomb interior. Let me teach you how it’s done.
Ingredients
For the Détrempe (Base Dough)
- 500g strong white bread flour
- 10g fine salt
- 80g caster sugar
- 10g instant yeast
- 300ml cold whole milk
- 50g unsalted butter, melted and cooled
For the Beurrage (Butter Block)
- 280g high-quality unsalted butter (84%+ fat content — use European-style butter like Président or Lurpak)
For Filling and Finishing
- 200g dark chocolate, cut into batons or use proper chocolate batons
- 2 egg yolks + 1 tbsp cream (egg wash)
Method
Day 1: Make the Dough
Combine flour, salt, and sugar. Dissolve yeast in cold milk (not warm — we’re keeping everything cold throughout this process). Add liquid to dry ingredients, then the melted butter. Mix until the dough just comes together. Do not over-develop the gluten at this stage. Shape into a rectangle, wrap in cling film, and refrigerate overnight.
Day 2, Morning: Prepare the Butter Block
Pound the cold butter between two sheets of baking parchment with a rolling pin until it forms a 20cm square, about 1cm thick. It should be pliable but still cold — the same consistency as your dough. This matching of dough and butter consistency is everything. If the butter is too cold it will crack and break through the layers; too warm and it will absorb into the dough instead of layering.
Day 2: First Lamination (Letter Fold × 3)
Roll the dough into a 40cm square on a lightly floured surface. Place the butter block in the centre at a 45° angle (like a diamond). Fold the four corners of the dough over the butter to enclose it, pressing the seams to seal. Now roll this out to a 60x20cm rectangle and perform your first letter fold: fold the bottom third up, then the top third down over it (like folding a letter). Wrap and refrigerate for 30 minutes. Repeat this roll-and-fold process twice more, with 30-minute rests in between. You now have 27 layers (3³).
Day 3: Final Roll and Shape
Roll the dough to 6mm thickness. Cut into 10x12cm rectangles. Place one or two chocolate batons at one end and roll up tightly without trapping air. Place seam-side down on lined baking trays. Brush with egg wash. Prove at 24°C for 2–3 hours until slightly puffed and jiggly when you shake the tray.
Bake
Apply a second coat of egg wash — take care not to let it drip onto the cut sides, as this will glue the layers together. Bake at 200°C / 180°C fan for 16–18 minutes until deep amber. Not golden — amber. Pale pain au chocolat is underbaked and will taste doughy inside.
Pro Tips
- Temperature is everything: Work in a cool kitchen. If the butter starts to break through the dough, stop, wrap, and refrigerate for 20 minutes.
- The right butter: Standard British butter is 80% fat. You need 84%+. The extra fat prevents the butter from absorbing water and integrating with the dough.
- Freeze for later: After shaping, you can freeze unbaked pain au chocolat. Bake from frozen, adding 5 minutes to the baking time.
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