Layered Chocolate Hazelnut Meringue Gateau

My mum asked me to make a chocolate-based pudding to serve alongside the traditional boozy-fruity-pyrotechnic Christmas fare. I spent a good while researching recipes and just couldn’t find anything that appealed to me, so I set about dreaming something up. This is very much a work in progress, so I’m predominantly blogging it so that I’ve got notes for when I embark on the second attempt. I was concerned it might be horribly rich but actually it was light and delicious. If I weren’t in polite company (well, my family, so relatively polite) I could’ve put away a heart-stopping quantity of it…

I used a 10″ tin. I might try a 9″ next time, which would obviously make it slightly taller.

Layer 1: chocolate sponge base
I made a 1 egg version of the sponge from the chocolate and raspberry cake I did in October (which also gave me eight bonus cupcakes as I wanted a very slim cake base):
25g dark chocolate
115ml hot brewed coffee
150g caster sugar (reduced from original to avoid sickliness)
100g plain flour
40g cocoa powder
¼ tsp baking powder
¾ tsp bicarbonate of soda
Pinch salt
1 large egg
55ml sunflower oil
110ml buttermilk / plain yoghurt
Spot vanilla extract

Method as in the other recipe. When the sponge is cooled, remove the baking paper, wash the tin then line its sides with acetate and drop the sponge back in.

Layer 2: chocolate mousse
170g dark chocolate
80ml whole milk
1 large egg yolk
4 large egg whites
2 tbsp caster sugar

Melt the chocolate in a bain-marie (in a large bowl) then leave it on the counter to cool a little. Bring the milk to the boil and pour over the chocolate, then blend using a small whisk. Add the egg yolk and gently work into the chocolate. Whisk the egg whites to soft peaks, then increase the speed and add the sugar gradually. Continue whisking to stiff peaks. Add a third of the egg whites to the chocolate and beat to lighten. Carefully but thoroughly fold in the rest of the whites, then pour the mousse mixture into the tin on top of the sponge and refrigerate at least 4 hours.

Layers 3 and 5: hazelnut meringue
40g toasted hazelnuts, finely chopped in a blender
2 large egg whites
120g caster sugar

Preheat to 140C. Draw around the tin onto two sheets of baking paper, which will then line two baking sheets. Whisk the egg whites to soft peaks, then add the sugar one tablespoon at a time, whisking the whole time, until you get a firm glossy meringue. Gently fold in the hazelnuts. Spread the meringue mixture onto the baking sheets as flat as you can, to about 1cm from the edge of the circles you drew on the baking paper. Bake for about 90 minutes (you want crispy meringue) then switch off the oven and leave the meringues inside overnight to cool completely and dry out. Place one meringue on top of the chocolate mousse and keep the other aside.

Layer 4: Chantilly cream (ish)
300ml double cream
1tsp vanilla extract
(Chantilly cream usually contains sugar too, hence the “ish”. I didn’t want this too sweet.)

Whisk the cream to soft peaks, then add the vanilla and continue whisking to firm peaks. Spread on top of the first meringue, reserving a big spoonful. Place the second meringue on the top, then top with the reserved cream and make the surface as flat as possible. Place in the freezer for about 15-20 minutes to allow the top surface to become firm enough to stay put when you spread the ganache.

Layer 6: chocolate ganache
105g dark chocolate, finely chopped
150ml double cream
1tbsp Golden Syrup
35g unsalted butter

Over a low-medium heat, slowly bring the double cream and Golden Syrup to a boil. Pour over the chocolate and stir VERY SLOWLY in concentric circles starting in the middle. When it has emulsified, throw in the butter a few cubes at a time and continue stirring gently until it’s all in and melted. Take the gateau out of the freezer and spread the ganache over the top. Refrigerate until ready to serve. [Note to self: try a more fluid ganache next time so it doesn’t set so firm?]

I finished this one with some salted caramel I happened to have left over, which I attempted to fashion into a snowflake-type motif with some gold edible glitter. Annoyingly, the ganache was too firm to recover from the skewer I dragged over it – I should’ve done this before refrigerating.

Layered Chocolate Hazelnut Gateau

Layered Chocolate Hazelnut Gateau

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Pistachio, Chocolate & Apricot Tartlets with Pistachio Macarons

Oh, how I love a good dinner party.  I particularly love throwing them, as it gives me the opportunity to try new things, though I tend to chuck in something tried and tested so that we have something to eat if my experiments are unmitigated disasters.  Yesterday evening, my unsuspecting guinea pigs were my good friends and Coro colleagues Angharad, Freddie, Cat, Robbie and Richard, and their menu was as follows:

Starter: seared scallops served with crispy pancetta, lambs lettuce, homemade salsa verde and roasted cherry tomatoes (chosen because I’d never cooked scallops before)
Main: Boeuf Bourguignon served with seasonal purple sprouting broccoli, mange tout and fresh bread (this was the tried and tested bit, which was made using a combination of Raymond Blanc’s recipe and one I had used a few years ago, the source of which I forget)
Cheese: delicious artisan cheeses from The Handpicked Foodstore, which included Farleigh Wallop Goat’s Cheese by Alex James (creamy, tangy, yum), Perl Las Organic blue (strong yet subtle) and a slow-baked Calabrian fig ball, which is an amazing accompaniment – I strongly encourage you to try it.  I also picked up a nice stinky Brie de Meaux and a British cheddar to complete the set.
Pudding: Chocolate mousse tartlets on pistachio pastry, topped with glazed apricot and served with a pistachio macaron.

Sadly, as my iPhone serves both as camera and DJ in my world, I couldn’t take photographs of all the food without interrupting proceedings so I’ll focus mainly on the pudding, but I just want to share a photo of how the boeuf started out… (bear in mind that there is another chunk of beef of the same size hiding beneath the one you can see):

Boeuf Bourguignon, stage 1

Boeuf Bourguignon, stage 1

[To get an idea of scale, bear in mind that blue bowl measures approximately 30cm across.  Yes.]

So.  Pudding.  Now, I shan’t mislead you, dear reader.  This was neither a straightforward nor quick pudding to make, but by goodness was it worth the effort.  It all started with pistachio pastry cases.

240g plain flour
65g raw pistachios (without shells)
50g caster sugar
125g unsalted butter, cold
1 large egg yolk
45-60ml water, cold

I don’t have a food processor, so I used the little bowl attachment for my stick blender to blitz the pistachios into dust, then combined them with the sifted flour and sugar, stirring them through with a fork.  Then I started rubbing the butter into the dry mixture before blitzing it in small batches to make it a sandy consistency.  I stirred in the yolk, then added the water a little at a time until the pastry started to come together.  Once I had formed it into a bowl, I wrapped it in cling film and chilled it for an hour or so.

Pistachio Pastry - chilled

Pistachio Pastry – chilled

Now, you’ll notice that I’ve prepared the work surface as though I planned to roll it out, which I did, but I realised very quickly that this isn’t the kind of pastry you can roll out, so I tore off chunks and pressed them carefully into the tartlet cases with my fingers, using a sharp knife to remove the excess that came up above the edges.  I tried to make the pastry fairly thin so that it didn’t overwhelm the pudding.

Pistachio Pastry - filling the cases

Pistachio Pastry – filling the cases

Pistachio Pastry - pricked

Pistachio Pastry – pricked

I pricked the bases with a fork, then added baking paper and baking beans, baked for 10 minutes at 210C, then removed the baking beans and baked for a further 5 minutes until they were crisp and golden.  (As a side note, I HATE baking beans.  Or rather, I hate how inept I am at using them – I always manage to lose control of them as I remove them, and end up chasing the tiny fiery spheres around my kitchen.)

Pistachio Pastry - filled with tiny fiery spheres

Pistachio Pastry – filled with tiny fiery spheres

Next, I made the chocolate mousse, which is a wonderfully simple and reliable recipe from the French patisserie genius, Pierre Hermé:

170g dark chocolate (the best you can get your paws on)
80g whole milk
1 large egg yolk
4 large egg whites
2tbsp caster sugar

Melt the chocolate in a bain-marie, using a large bowl that will hold all the ingredients.  Set aside to cool a little.  Heat the milk in a small pan until it reaches boiling point, then pour it over the chocolate and gently combine with a small whisk.  Add the egg yolk and stir through just until it’s incorporated.  Whisk the egg whites to soft peaks, then hike up the speed and gradually add the sugar while it’s still whisking, continuing to firm peaks.  Add a third of the egg whites to the chocolate and beat in to lighten the mixture.  Then use a rubber spatula or metal spoon to fold in the rest of the white – be gentle and try not to lose too much air.

Chocolate  Mousse - melted chocolate and boiling milk

Chocolate Mousse – melted chocolate and boiling milk

Chocolate Mousse - folding in the egg whites

Chocolate Mousse – folding in the egg whites

Chocolate Mousse - filled cases

Chocolate Mousse – filled cases

(You’ll notice there was enough mousse left over for a cheeky little “test” portion.)

These went in the fridge for a few hours, so in the meantime I made the pistachio macarons.  This was somewhat experimental as I didn’t find a recipe I liked online, so I adjusted Pierre Hermé’s chocolate macaron recipe and crossed my fingers that it would work.  I made half a batch, which yielded about 32 (so 16 sandwiched macarons).

50g ground almonds
125g icing sugar
30g raw pistachios, without shells
50g egg white (start with 2 large egg whites, beat lightly with a fork, then you can weigh out exactly 50g)
a tiny bit of green gel colouring

Line a large heavy baking sheet with parchment paper, and fit a piping bag with a 1-1½cm round nozzle.  Set aside.  In a food processor (I used my little stick blender arrangement again), whizz your pistachios and almonds for a good few minutes until they are really fine.  Ideally, the bits need to go through a sieve.

Pistachio Macaron - blitzed pistachios

Pistachio Macaron – blitzed pistachios

Sift the almonds, pistachios and icing sugar together.  Carefully measure out your 50g of egg white, then whisk them up to medium-firm peaks.  In 3 or 4 additions, use a rubber spatula to fold the egg whites into the dry ingredients, popping in the tiniest bit of green colouring with it.  It will seem like there’s far too much dry stuff but it will work eventually.  Don’t worry if it looks deflated and a bit runny – that’s good.  It should look like cake batter.

Pistachio Macaron - the batter

Pistachio Macaron – the batter

Use a little bit of the batter to stick down the four corners of the parchment paper (otherwise you’ll be battling to keep it down while you pipe).  Pipe 2.5cm rounds, leaving 2.5cm between each.  When you’ve finished piping, firmly grab the baking sheet with both hands and give it a good bash on the counter to get the air out of the batter.  Leave the sheet on the counter for 15 minutes while you preheat the oven, which allows them to form a light skin before baking.

Pistachio Macaron - piped

Pistachio Macaron – piped

Now, at this point Pierre and I have a small disagreement, largely because chocolate macarons don’t show browning from a hot oven but the pale green pistachio ones do.  So, while Pierre recommends starting with an oven temperature of 220C, I wonder whether 200 might be more friendly but don’t believe me until I’ve had a second chance to make these.  When the oven is up to temperature, pop in the baking sheet, immediately reduce the oven temperature (Pierre says 180C; I’m thinking maybe 150C) and stick a wooden spoon in the oven door to keep it slightly open.  Bake for 10-12 minutes until the macarons are smooth and just firm to the touch.

The macarons need to be removed from the sheet immediately and, because they’re sticky little buggers, you’ll need to get some steam under them to loosen them.  Pour the tiniest bit of hot water between the parchment and the baking sheet, and tilt to distribute the water – you’ll be able to see it bubbling beneath the paper.  Then use a fish slice or similar to lift each macaron and pop it on a cooling rack.

Now, I was able to cheat at this point because I had some chocolate ganache in the freezer which I had made a few weeks ago but ganache is dead simple to make, and you only need a little for so few macarons, so try this:

50g dark chocolate (high quality)
50g double cream
1 tbsp unsalted butter, at room temperature

Chop the chocolate quite small and throw in a bowl.  Smush the butter and set aside.  Bring the cream to the boil, then very slowly stir into the chocolate with a rubber spatula – the heat of the cream will melt the chocolate.  When the mixture is smooth, leave the bowl on the counter for a couple of minutes to cool a little before adding the butter in two additions, using the rubber spatula in circles widening slowly from the centre to the edge.  When the butter is all in, you should have a smooth, glossy ganache.  Chill it for about 15 minutes, stirring every 5, until it gets to piping consistency.  Sandwich the macarons with the ganache.

By now, the chocolate mousse should be nicely set.  Allowing about 1-1½ apricots per tartlet, start to slice one at a time, as finely as you can.  Bringing one tart at a time out of the fridge, lay the apricot slices on the top, starting at the outside edge and working in.

Apricot Tartlets - layering the apricot slices

Apricot Tartlets – layering the apricot slices

Apricot Tarlets - three down...

Apricot Tarlets – three down…

When you’ve finished, heat a couple of tablespoons of apricot jam in a small saucepan and paint on with a pastry brush to glaze.  Stick them in the fridge until you’re ready to serve.  At which point, chop up some pistachios to sprinkle on top, and dust a little cocoa on the macaron (please try to ignore the dent in my macaron, where the cooling rack fell on it…).  In an ideal world, serve with a lovely dessert wine (this one was particularly delicious and is available from Waitrose for an indulgent £14.49).

Pistachio, Chocolate and Apricot Tartlets with Pistachio Macarons

Pistachio, Chocolate and Apricot Tartlets with Pistachio Macarons