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1
Mix the Dough and Chill It
20 Mins
No heat — mix cool, about 20°C (68°F)
Mix the flour, milk, sugar, yeast and salt in a large bowl, then knead in the 30 g of softened butter until the dough is smooth and elastic, about 8 minutes. Shape into a flat rectangle, wrap, and chill for 30 minutes.
The dough should be smooth and spring back when poked; if it tears easily, knead a little longer.
Done when: The dough is smooth, elastic and cold to the touch.
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2
Laminate with Three Folds
60 Mins
Work cold, about 4°C (39°F) in the fridge between folds
Flatten the 190 g of butter into a square between baking paper. Roll the dough out, place the butter in the centre, and fold the dough over it like an envelope. Roll out and fold in thirds, like a letter. Repeat for three folds in total, chilling for 30 minutes between each one.
If the butter pokes through the dough, dust with flour and chill at once — a tear now is a lost layer later.
Done when: After three folds the dough is smooth, cold and layered — 27 layers of butter and dough.
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3
Cut, Fill and Shape
20 Mins
Work cool, about 20°C (68°F)
Roll the dough into a rectangle about 40 cm by 24 cm (16 by 9 inches) and cut 8 rectangles. Lay two chocolate batons across one end of each rectangle, roll up firmly, and place seam-side down on a lined tray.
Roll snugly but not tight — the dough needs room to puff, and loose rolls uncurl in the oven.
Done when: Eight neat rolls, seam down, with the chocolate hidden inside.
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4
Prove Until Puffy
60 Mins
Warm prove, about 26°C (79°F)
Cover the tray loosely and leave the rolls in a warm spot for about 60 minutes, until they are visibly puffy and wobble gently when you shake the tray. Brush with the beaten egg wash.
Do not rush the prove — under-proved pain au chocolat stays dense and buttery inside instead of flaky.
Done when: The rolls are puffy, doubled in size, and jiggle like jelly when shaken.
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5
Bake Until Deep Golden
20 Mins
200°C (400°F), then 190°C (375°F)
Bake at 200°C (400°F) for 10 minutes, then lower to 190°C (375°F) and bake for 8–10 minutes more, until deep golden and crisp. Cool on a rack for 10 minutes before eating — the chocolate inside is molten.
If the tops brown too fast, cover loosely with foil; the inside must be cooked through, not doughy.
Done when: Deep golden, crisp and flaky, with chocolate just starting to peek out at the ends.
auto_awesome Finishing Touches & Plating
Cool for 10 minutes on a rack so the layers set and the chocolate firms just enough to bite — serve warm, when the pastry shatters and the chocolate is still soft.