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Flaky brownie brioche


Flaky brownie brioche
This beautiful brioche contains the typical ingredients you'd expect in a brownie: chocolate, butter, brown sugar and pecan nuts.

But these are not just thrown into the mixture; the brioche is layered with them to create a delicious culinary bridge between Europe's viennoiseries and the all-American brownie.
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Last modified on: October 30th 2026
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For this recipe: Printable Follow Video
For 2 brioches, you will need:

Change these quantities to make:
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Times for this recipe
Preparation
13 hours 15 min.
Resting
2 hours 30 min.
Cooking
1 hour
All in all
16 hours 45 min.
Preparation 13 hours 15 min.
Resting 2 hours 30 min.
Cooking 1 hour
When should you start or finish this recipe?
If you start now, at , you will finish around: ?.Change start time
To finish around 7pm, you'll need to have started before: .Change end time

Step by step recipe


Step 1 - ⌛ 5 min.
Flaky brownie brioche : Step 1

Prepare the chocolate brioche dough


Put into a food-mixer bowl: 500 g flour, 15 g yeast, 10 g salt, 20 g brown sugar and 325 g egg.

Step 2 - ⌛ 15 min.
Flaky brownie brioche : Step 2
Knead for 15 minutes.

Note: For the best way to knead, see: A few tips for effective kneading at home.

Step 3 - ⌛ 3 min.
Flaky brownie brioche : Step 3
Then add 100 g fermented viennoiserie dough, 60 g brown sugar and 20 g powdered cocoa.

Step 4 - ⌛ 5 min.
Flaky brownie brioche : Step 4
Knead for a further 5 minutes until well mixed in.

Step 5 - ⌛ 10 min.
Flaky brownie brioche : Step 5
While still kneading, add 200 g butter a little at a time.

Step 6 - ⌛ 1 hour
Flaky brownie brioche : Step 6
Stop kneading once the butter is fully mixed in.

Cover the dough with plastic film and leave to rest at room temperature for 1 hour.

Step 7
Flaky brownie brioche : Step 7

Prepare the chocolate-butter square


While the dough is resting, melt 250 g dark chocolate with 120 g butter and 50 g brown sugar over a bain-marie.

Step 8 - ⌛ 5 min.
Flaky brownie brioche : Step 8
Mix until smooth. Don't worry if you can feel that there are still some sugar crystals undissolved; this will add texture, so worth keeping.

Tkae the mixture off the bain-marie.

Step 9 - ⌛ 3 min.
Flaky brownie brioche : Step 9
Stand an 8 inch (20 cm) square frame on a sheet of cooking parchment laid on a baking sheet.

Step 10 - ⌛ 2 min.
Flaky brownie brioche : Step 10
Pour the mixture into this mould and leave to cool. Refrigerate overnight.

Step 11 - ⌛ 12 hours
Flaky brownie brioche : Step 11
After the dough has rested for 1 hour, knock back the dough by lifting and dropping hard back into the bowl.

Cover once more with plastic film and refrigerate overnight.

Step 12 - ⌛ 1 min.
Flaky brownie brioche : Step 12
Next day, take the square of chocolate butter out of the fridge and leave at room temperature to soften slightly.

Step 13 - ⌛ 2 min.
Flaky brownie brioche : Step 13

Toast the pecan nuts


Preheat the oven to 300°F (150°C).

Spread 20 g brown sugar on a baking sheet.

Step 14 - ⌛ 15 min.
Flaky brownie brioche : Step 14
Toast in the oven for 15 minutes.

Leave to cool.

Step 15 - ⌛ 1 min.
Flaky brownie brioche : Step 15

Flake the brioche


Put the brioche dough on a floured work surface.

Step 16 - ⌛ 3 min.
Flaky brownie brioche : Step 16
Roll out into a large rectangle, about the same width as the square of chocolate butter.

You can trim the sides to neaten the rectangle and use the trimmings to make the leaven or soured dough for your next batch of brioche.

Step 17 - ⌛ 3 min.
Flaky brownie brioche : Step 17
Lay the square of chocolate butter on the dough.

Step 18 - ⌛ 3 min.
Flaky brownie brioche : Step 18
Cover the chocolate with the pecan nuts, either whole (as in the photo) or roughly chopped with a knife.

Step 19 - ⌛ 3 min.
Flaky brownie brioche : Step 19
Fold the dough over to seal in the chocolate butter, then scatter coarse sugar crystals over and press in with the rolling pin to help them stick.

Step 20 - ⌛ 3 min.
Flaky brownie brioche : Step 20
Fold the dough in half over the sugar.

Step 21 - ⌛ 3 min.
Flaky brownie brioche : Step 21

Shape the brioche


Roll the dough out once more into a rectangle...

Step 22 - ⌛ 3 min.
Flaky brownie brioche : Step 22
...and roll this up.

Step 23 - ⌛ 3 min.
Flaky brownie brioche : Step 23
Cut the roll into slices about the same thickness as the depth of your tin or mould, either loaf style...

Step 24
Flaky brownie brioche : Step 24
...or special brioche shape.

Step 25 - ⌛ 2 min.
Flaky brownie brioche : Step 25
Glaze the top of the brioche.

Step 26 - ⌛ 1 hour 30 min.
Flaky brownie brioche : Step 26
Leave in a warm place to rise for 1 hour 30 minutes.

Before baking, you can scatter a little more coarse sugar over the top if you wish.

Step 27 - ⌛ 40 min.
Flaky brownie brioche : Step 27

Bake the brioche


Preheat the oven to 390°F (200°C) and bake the brioche for about 40 minutes.

Step 28
Flaky brownie brioche : Step 28
Turn out while hot and leave to cool on a wire rack.
Remarks
You will notice that the chocolate brioche dough is a lttle more complicated to make than a plain brioche dough. The ingredients are added in stages to obtain the right texture.

It is also a bit sweeter to balance the slight bitterness of the cocoa.
Keeping: Several days, preferably in a cloth bag. Freezes very well.
Source: Homemade.
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Nutritional information
Proteins CarbohydratesFats CaloriesEnergy
Per 100 g7 g RDI=10 %41 g RDI=16 %27 g RDI=37 %437 kcal RDI=22 %1,831 kJ RDI=22 %
Per brioches66 g RDI=101 %400 g RDI=151 %264 g RDI=362 %4,242 kcal RDI=212 %17,762 kJ RDI=212 %
Whole recipe131 g RDI=202 %800 g RDI=302 %529 g RDI=725 %8,485 kcal RDI=424 %35,524 kJ RDI=424 %
Whole recipe
The % figures are calculated in relation to the Recommended Dietary Intake , or RDI of 2,000 k-calories (or 8,400 k-joules) per day for a woman
Possible allergens in this recipe: gluten, egg, leaven, milk, nuts
How much will it cost?
For 2 brioches
10.75 €
Per brioches
5.40 €
Change currency:
Note: Be careful, these prices are only an estimate, you can consult the table of prices by ingredients used for this estimate.
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