Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

La Feuille d’Automne recipe, Lenôtre’s classic dark chocolate mousse and meringue cake

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Special everyday cakes and treats

This magical chocolate entremets will blow the minds of chocoholics and also people who say ‘I don’t usually like chocolate cake, … ‘.  A French climbing friend who’s extremely honest about my cakes (yes, sometimes it hurts) said this really tasted like master pâtissier Gaston Lenôtre’s Feuille d’Automne and I hadn’t just brought him cake but also childhood memories.  Aw, that was sweet.  The other French climbing companion (who doesn’t usually like chocolate cake) repeated again and again wide-eyed Il est incroyable (‘unbelievable’, but in a good way).  Finally our Chinese climbing friend simply loved it.  So I’d like to share this cake with you.  As with most entremets, the elements are not so difficult to make or assemble.  There are two layers of succès (moist almond meringue) and a middle thicker layer of French meringue all interspersed with dark chocolate mousse. The sides are wrapped in a layer of dark chocolate and the most technical and tricky part is usually making the beautiful signature chocolate fans.  Simpler chocolate curls are used here instead as suggested by the popular French blogger Mercotte, whose recipe I’ve adapted.  So if you’d like an amazingly delicious chocolate hit, have a go at this dark chocolate mousse and meringue cake!  It’s worth it and will make you happy with a guaranteed high. 🙂

Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

Feuille d’Automne – Lenotre’s dark chocolate mousse and meringue cake

The original cake, with helpful videos and links

I’d been dreaming of this cake for a while.  lol.  The contestants made it in the French equivalent of the Great British Bake Off, Le Meilleur Pâtissier (Season 4 episode 5 and meringue masterclass,17:05 to 30:23 but you need 6play installed online, which I downloaded here in Spain – apologies if you can’t).  Mercotte, one of the judges, gave them a simpler version of the mousse and succès layers, which are included in the Feuille d’Automne recipe on her blog (her photos of inside the cake show the original version with three meringue layers).  I decided to try her recommended version with the moist succès and creamy mousse.

I made this cake during hot humid summertime in Barcelona and attempted the fans.  Oh dear.  I’ll try again in autumn.  In the recipe below there are links to videos on the chocolate work.  And if you want to see small chocolate fans here’s the mini Feuille d’Automne I bought at a Lenôtre pâtisserie last November in Paris.

Mini feuille d'automne de lenotre

All part of cake research.  Sitting on a park bench with my Cordon Bleu friend and transported to chocolate heaven, I decided I really needed to make this.

The recipe

My cake’s based on Mercotte’s Feuille d’Automne but I used my meringue recipe adapted from the Roux brothers because I love the smooth light texture resulting from half the sugar being icing/powdered sugar folded in gently.  The instructions are adapted, for example the brushed chocolate layer on the discs is chilled and hardened before assembly.  I’ve also considerably reduced the quantities of chocolate used for decoration and chablonnage to avoid waste but you can have extra chocolate on hand (for additional chocolate fan or mousse ‘practice’).

The chocolate

Using good-quality chocolate is very important, as Mercotte emphasizes.  But she suggets Valhrona dark 66% for the mousse, which I calculated would cost about €40.  Ahem.  I gave that a miss and used what I had at home:  good-quality couverture Chocolat noir 70% Saint Domingue by Cacao Barry (reviewed here by le Meilleur Pâtissier website).  It’s beautiful and fruity (and in chocolate drop form so practical) – I bought mine at Gadgets Cuina (Barcelona) but also saw some on Amazon uk here.  Then to balance out the high cocoa content I used 62% good quality couverture dark chocolate for the decoration.

A characteristic of this cake is the chocolate provides a strong slightly bitter contrast to the meringue – my French climbing friend who’d eaten them throughout his childhood told me this.  He added that the delicious but bitter chocolate doesn’t make for a typical child’s cake but he adores it.

Two succès discs (20cm/8in diametre) – pipe onto a silpat (silicone mat) on a baking tray.  If you pipe on baking paper it could be difficult to peel off the paper after baking (I lost some discs like that once).

Succès disc

  • 100g/ml egg whites, at room temperature (from 2 and 1/2 medium-large eggs)
  • 10g/2 teaspoons caster/superfine sugar
  • 90g/2/5 cup caster/superfine sugar
  • 50g/2/5 cup icing/powdered sugar
  • 50g/1/4 cup ground almonds
  • 3 good tablespoons/45g full-fat milk, at room temperature

succes discs illustrated recipe 1

succès 1 feuille d'automne

succès 2 feuille d'automne

succes discs illustrated recipe 2

succès 3 feuille d'automne

One thicker meringue disc (20cm/8in diametre) – pipe onto baking paper on a baking tray plus a few kisses with the extra mixture

Meringue disc

  • 90g/ml egg whites (from 2 and 1/4 medium-large eggs), at room temperature
  • 79g/1/3 cup plus 1 teaspoon caster/superfine sugar (or golden caster sugar)
  • 79g/2/3 cup minus 1 teaspoon icing/powdered sugar

French meringue cake bases or nests illustrated recipe

Please see my meringue recipe in the basics section for more details and photos.

Chocolate mousse

  • 200g/ml egg whites, at room temperature (from 5 medium-large eggs)
  • 60g/1/4 cup plus 1/2 teaspoon caster/superfine sugar
  • 310g/10.9oz 70% good-quality dark chocolate
  • 150g/ml whipping cream (35%)
  • 60g beaten egg yolks (from 3 medium-large eggs), at room temperature
  1. Whisk the egg whites to soft peak.
  2. Whisk in the sugar little by little and continue whisking to stiff peak (but not dry).
  3. Melt the chocolate in a big metal or glass bowl over a bain marie.  Take off heat and off the bain marie.  It should be around 45°C/115°F to 50°C/120°F (don’t heat over 60°C/140°F or the taste becomes affected).
  4. At the same time bring the cream to the boil in a small heavy-based saucepan.  Take off heat.
  5. Immediately whisk the cream (add it in 3 goes, each time in a stream) into the chocolate very fast.  Whisk fast and hard in a round circular motion to ’emulsioner’ and get a smooth ganache.
  6. Immediately whisk in the yolks little by little (in 3 goes).  Keep whisking hard to make sure the mixture doesn’t separate and curdle.  If it does keep whisking hard to make it smooth.  Here are some articles by Tales from the chocolate shop on Rescuing a split ganache and by Kara’s couture cakes on ‘How to save broken ganache’ that you might like to read first.Feuille d'automne chocolate mousse 1
  7. When the chocolate is at 45°C/115°F fold 1/4 of the egg whites into the chocolate with a silicone or rubber spatula, combining quite well.
  8. Gently fold in the remaining egg whites to make a light mousse.  Stop when it’s just combined – don’t overwork or it will flatten.Feuille d'automne chocolate mousse 2

Chablonnagecovering the discs in chocolate

Brushing chocolate on the meringue/succès discs helps avoid them breaking up or getting soft later.  The cocoa butter makes the chocolate fluid enough to brush easily.

  • 100g/3.5oz dark chocolat
  • 100g/3.5oz cocoa butter drops

Melt the chocolate and cocoa butter over a bain marie until smooth and around 40°C/105°F.  Take off heat and off the bain marie and let it cool to room temperature.Chocolat de chablonnage feuille d'automne

Use a silicone brush to coat one side of the discs and place in the fridge to harden.  Turn over and brush the other side.  Place in the fridge again to harden.

Chocolat de chablonnage 2 feuille d'automne

Assembly

  • acetate strip (6cm/2.4in high) to go round inside the cake ring (join and stick with double-backed sellotape)
  1.  Line your cake ring with the strip of acetate.
  2. Place your lined ring on a cardboard cake base or plate and pipe a low ring of chocolate mousse on the base just around the inside the ring.
  3. Add the layers in the following order:  1st succès disc, 1/3 of the chocolate mousse, meringue disc, 1/3 of the chocolate mousse, 2nd succès disc (upside-down), 1/3 of the chocolate mousse (spoon extra chocolate mousse into an ice-cream cup).  Smooth the top layer of mousse with a long offset spatula to make a flat surface the same height as the cake ring.Assembly 1 feuille d'automne
  4. Freeze 30 minutes to 1 hour or so until firm.

Final chocolate decoration

Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

Feuille d’Automne – Lenotre’s dark chocolate mousse and meringue cake

  • 425g/15oz 62% couverture dark chocolate (or up to 70%)
  • acetate strip (6cm/2.4in high) to go around the cake, and a little longer
  • icing/powdered sugar, as required
  1. Take the cake out of the freezer and remove the cake ring.  If the cake is set enough then quickly peel off the acetate strip from around the cake.  Return to the freezer.
  2. Temper the dark chocolate.  Follow the curve very precisely:  first melt on a bain marie to between 45°C/113°F and 50°C/132°F.  Then allow to cool to 26-27°C/79-80.5°F then reheat on the bain marie for a minute or so to 30-31°C/86-87.5°F (30°C/86°F is the best temperature).  Use immediately.  For more details and photos see my basics section for Tempering chocolate (ice-bath method) or Tempering chocolate (spreading system).
  3. Spread some chocolate on the strip of acetate.  Smooth to and fro on the strip with an offset spatula.  Before you place around the cake you need to wait until it starts setting (when you touch with a finger it doesn’t stick any more).  Then place carefully around the frozen cake and press lightly before peeling off the acetate (the coldness of the cake helps the chocolate set and stick).  You can do this after placing the fans on the cake or before, like I did.  Here’s a silent youtube video showing chocolate work on the sides of a Feuille d’Automne, with optional chocolate disc and leaves on top.Assembly 2 feuille d'automne
  4. Meanwhile with the offset spatula spread the remaining chocolate on a marble surface or the underside of an inox metal baking tray.  Again when it starts setting you scrape with a triangular metal palette knife and press down your finger on one side of the chocolate/knife to make large chocolate fans.  Place artistically on top of the cake.  Here are some youtube videos on how to make small chocolate fans or larger chocolate fans.  Keep practising and don’t worry if it doesn’t work out immediately because you’ll simply achieve chocolate curls or shavings instead.
  5. Sift a little icing sugar over the chocolate fans or curls.
Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

Feuille d’Automne – Lenotre’s dark chocolate mousse and meringue cake

Storing and eating

Chill 30 minutes or so in the fridge before eating.  Store in the fridge in an airtight container and eat within 3 or 4 days (take out of fridge 10-20 minutes before serving) or keep in the freezer up to 2 weeks, cut in slices.  It freezes really well.

Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

Feuille d’Automne – Lenotre’s dark chocolate mousse and meringue cake

A little background

There’s a comprehensive article about Lenôtre’s life written in 2009 for the New York Times, ‘Gaston Lenôtre, Who Built a Culinary Brand, is Dead at 88′.

The Feuille d’Automne (Autumn leaf) is one of his most classic cakes, invented in 1968.  Originally the three layers were meringue but Lenôtre’s creative director Guy Krenzer later adapted it to include 2 layers of succès (an almond meringue layer ressembling macaron).  You can learn to make this and other cakes at their culinary school in Paris!  Or follow this recipe. 🙂

It’s really worth making, naturally gluten-free, not very difficult and amazingly delicious!  Please have a slice of chocolate heaven, aka La Feuille d’Automne dark chocolate mousse and meringue cake.

Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

Feuille d’Automne – Lenotre’s dark chocolate mousse and meringue cake

I might not wait till autumn but make another one soon!  Like Mercotte I intend to make this entremets regularly and I’d encourage you to give it a go.

Feuille d'Automne - Lenotre's dark chocolate mousse and meringue cake

So farewell for now sweet reader!  Wishing you a lovely week with some great chocolate highs and wonderful baking, no baking or just eating! 🙂  Lili x

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Making cakes with my French mother on Sundays was an important part of my childhood. As an adult I then experimented with baking books and internet recipes and did a great patisserie course in Le Cordon Bleu Paris. I'm still trying out new recipes and creating some of my own cakes with influences from all around the world, adding some healthy ones to the repertoire. Yes, I love cakes!!! :)

18 thoughts on “La Feuille d’Automne recipe, Lenôtre’s classic dark chocolate mousse and meringue cake”

    • Good idea! We’ll get some nice dark chocolate for it… maybe even Valhrona Caraibe! I just saw some going more cheaply on Amazon. 🙂

      Like

  1. Pingback: La Feuille d’Automne recipe, Lenôtre’s classic dark chocolate mousse and meringue cake | homethoughtsfromabroad626

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