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110Total Time
40Prep Time
30Bake Time

Chocolate Mille Feuille With Blackberries & Cassis

About the bake

This chocolate mille feuille recipe was featured in the first series of Baking Mad with Eric Lanlard on Channel 4. A classic Mille Feuille recipe is made up of three layers of puff pastry, sandwiching a crème patisserie filling. They are often flavoured with a chocolate drizzle or sliced almonds. Our Chocolate Mille Feuille recipe however combines some really luxurious ingredients such as dark chocolate, Creme De Cassis and blackberries. To get great looking Mille Feuille make sure you are slicing your baked puff pastry evenly and keep your hand steady while piping out the filling. It is sometimes worth practicing with the piping bag before adding the filling to your puff pastry rectangles. We've included a video above to show you the best way to make puff pastry. 

110Total Time
40Prep Time
30Bake Time


  1. Step 1:

    Preheat oven to 220°C, (fan 200°C, gas mark 7).

  2. Step 2:

    Roll out the pastry on a lightly floured surface into a large rectangle and sift over the cocoa powder. Prepare your pastry by folding one end of the rectangle into the centre and repeat with the opposite end, so that each ends meet in the middle. Repeat the process, adding another dusting of cocoa and roll the pastry again so you are left with a thin rectangle of pastry.

  3. Step 3:

    Place the pastry on a large baking tray and trim to fit. Prick the pastry all over with a fork, cover with a sheet of greaseproof paper and weigh the pastry down with a second baking tray.

  4. Step 4:

    Place in the oven and cook for 10-15 minutes or until the pastry begins to colour. Remove the second baking tray which was placed on top and place the pastry back in the oven to finish cooking for a further 15 minutes. Once cooked, remove and leave to cool.

  5. Step 5:

    While the pastry finishes cooking, make the chocolate filling. Place the single cream in a heavy based saucepan and heat to scalding point.

  6. Step 6:

    Break the chocolate up in a bowl and pour the cream onto the chocolate, mixing gently until the chocolate melts and you have a smooth consistency. Place the whipping cream in a free-standing mixer and mix to soft peaks.

  7. Step 7:

    Once the pastry is cool, cut into 8 small rectangles. Pour the chocolate mixture over the whipped cream and mix to incorporate. Add the Cassis and mix again.

  8. Step 8:

    Using either a piping bag or with the palette knife, spread a thick layer of cream onto the chocolate pastry rectangles.

  9. Step 9:

    Cover the layer of cream with a layer of blackberries and add a little extra of the chocolate cream filling between the berries. Place a second rectangle on top and finish with a dusting of icing sugar.

  10. Step 10:

    Serve with some extra berries with have been drizzled with Cassis.


  • For the pastry

    • 500g Puff pastry
    • 50g Cocoa powder
    •  Plain white flour (for dusting)
  • For the filling

    • 100g Dark chocolate
    • 100g Single cream
    • 2 tbsp Crème de cassis
    • 600ml Whipping cream
    • 400g Blackberries


  • Rolling pin
  • Large baking tray
  • Fork
  • Greaseproof paper
  • Saucepan
  • Mixing bowl
  • Free standing mixer
  • Piping bag

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