Sunday, 22 February 2009

Chocolate Brownie Mousse Cake


I did not fiddle with these recipes except to replace 2 tablespoons of milk in the mousse with an equal amount of the Kahlua that had been part of the original cheesecake recipe. I am a fan of Ms.Boyles, ( I also have Diner Desserts and Simply Sensational Desserts ,to which she contributed ) so I decided to follow her lead ( and I'm not the most confident of meddlers ). To sum up, what we have is a Kahlua laced bittersweet chocolate mousse on an espresso brownie base topped off with swirls of whipped cream and Vahlrona chocolate covered coffee beans. Nothing too fancy then.ESPRESSO BROWNIE MOUSSE CAKE

For the espresso brownie base:

  • 115g dark chocolate, 60-70% cocoa solids
  • 115g unsalted butter
  • 1 tbls instant espresso powder
  • 1 tsp vanilla extract
  • 1/4 tsp salt
  • 200g caster sugar
  • 2 large eggs
  • 60g plain flour

For the bittersweet chocolate mousse:

  • 450g dark chocolate, 60-70% cocoa solids (best quality please, the chocolate is the diva here so make sure she can perform)
  • 140ml milk
  • 20ml Kahlua
  • 130g caster sugar
  • 1 tsp instant espresso powder
  • pinch of salt
  • 1 1/2 tsp vanilla extract
  • 600ml double cream

To finish:

  • whipped cream
  • chocolate covered coffee beans
  1. To make the brownie base: Preheat the oven to 170 C. Lightly butter the base and sides of a 9 inch x 3 inch deep spring-form tin. Melt the chocolate and the butter in a bowl over a large pan of simmering water, stirring occasionally. Transfer to a medium bowl and stir in the espresso powder, vanilla extract and salt. whisk in the sugar until combined. Whisk in the eggs one at a time also until combined. Lastly fold in the flour just until incorporated. Don't over mix.
  2. Scrape into the tin and smooth the surface. Bake the brownie for 25-30 minutes or until a toothpick inserted in the centre comes out with just a few moist crumbs attached. Place on a wire rack and let cool completely in the tin.
  3. When the brownie is nearly cool get started on the mousse layer. Place the chocolate in a food processor and process until finely ground. Leave it in the processor.
  4. Heat the milk, sugar, espresso powder and salt over a medium heat until the sugar has dissolved and the milk comes to the boil. With the food processor running pour the hot milk carefully down the funnel and process until the chocolate has melted. Scrape down the sides of the bowl, add the vanilla and process until blended. Scrape the mixture into a large bowl and leave to cool. (If you don't have a food processor chop the chocolate finely and put in a large bowl, heat the milk mixture as before and pour over the chocolate. Leave for a minute then stir until chocolate has melted. Stir in the vanilla and set aside until cool.
  5. In another bowl whip the cream until soft peaks form. Using a rubber spatula gently fold in one-third of the cream into the chocolate mixture. Fold in the remaining cream until completely blended.
  6. Scrape the mousse onto the brownie base and spread into an even layer. Refrigerate the cake for at least 3 hours or overnight.

Serves 10-12.

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