C'est La Cuisine Feature: Opera Cake
Prep and assemble: 1 hr 10 minutes Bake: 12 minutes
For French Pâtisserie day, I made an Opera Cake. This looks phenomenal but is honestly super easy when you break down each section. This layered cake might remind one of Tiramisu but is a bit fancier. Let’s dive in.
Ingredients
Sponge Cake
3/4 cup almond flour
1/4 cup 2 tbls powdered sugar
3 tbls cake flour
2 eggs
2 egg whites
3/4 tbls sugar
1/4 cup chocolate chips
Coffee syrup
1/2 cup brewed coffee (we used french roast)
1/4 cup sugar
Coffee buttercream
2/3 cup softened butter
1 cup powdered sugar
2 tbls brewed coffee
Chocolate ganache
3 oz dark chocolate
1/4 cup heavy cream
Sponge Cake
Preheat oven to 400 F (200 C)
In a large bowl whisk the 2 eggs together
Whisk in the powdered sugar
Add both flours and mix until smooth and combined
In a stand mixer (or hand mixer) whisk the egg whites until they start to foam
Add the sugar slowly so that it stars to thicken and you have thick peaks
Add about a third of this to the large bowl and mix well
Fold in the remainder of the egg whites gently to keep the air
Take a quarter baking tray and line with parchment paper, keeping some off the edges to lift later
Spread out the batter to make a rectangle
Bake for 12 minutes until springy to the touch
Allow to cool on a wire rack
Slice into 3 equal sections
Take the chocolate chips and melt them
Take 1 section of the sponge cake and spread the chocolate chips to create a layer
Put in the freezer to set
Coffee Syrup
Brew your coffee
In a pot on the stove, add the coffee and sugar, mixing well and allow to simmer
Set aside off the heat to cool and thicken
Buttercream
Add the softened butter and powdered sugar into the mixer and mix until a smooth cream icing, add the coffee and continue on medium until combined
Set aside
Chocolate Ganache
Heat the heavy cream (but do not boil)
Pour over the chocolate and stir until melted and smooth
Assemble
Take out the chocolate bottom cake layer you created
Flip so the hardened chocolate side is down
Brush the syrup over the top of this sponge
Add a layer of the butter cream
Add the next slice of sponge cake
Brush more of the coffee on top of this slice
Add a layer of the ganache
Set cake into the fridge to set the ganache layer, about 5 minutes minimum
Add a second layer to make a nice thick layer of ganache and set again for 5 minutes in the fridge
Add the last layer of sponge and brush with the syrup
Add the last of the butter cream on top of this layer
Use the last of the ganache to make the final layer on top of the stack
Allow to set in the fridge, the longer the better (over an hour)
Trim all edges to clean the look of the cake up
Afterthoughts
This was such a fun cake to make and my friends had a grand time eating it. The coffee was not a strong flavor but the layers were all very decadent and airy to eat through. This is a delicate cake that can easily impress the family! It is about a slice for maybe 2 people though for all the work.