Brownies with Chocolate Mousse

Ingredients: For the chocolate mousse: 20 g gelatine, sheet 350 g dark chocolate, 1/3 tin Nestle Milk or 125 g, 600 g whipping cream, For the ganache: 100 g dark chocolate, 100 ml liquid cream, For the brownies: 250 g dark chocolate, ½ cup butter or 100 g, melted 2/3 tin Nestle Milk or 275 g, 5 eggs, 1 cup plain flour or 130 g, 2 cups walnut or 200 g, chopped, 2 teaspoons baking powder, Preparation: To prepare the chocolate mousse: Soak the gelatin in cold water for 5 minutes; melt the chocolate. Heat the Nestle Milk, add the gelatin and add them to the chocolate. Using a spoon, add the whipped cream slowly. Keep in fridge for 1 hour. To prepare the ganache: Melt the chocolate, add the warm cream and mix slowly. To prepare the brownies: Melt the chocolate; add the melted butter, Nestle Milk and mix slowly. Beat the eggs until foaming, then add the mixture. Mix the flour, walnuts and baking powder; add it to the mixture and mix slowly using a big spoon. Pour into a greased 30 x 45 cm baking tray and bake in a 180°C preheated oven for 10 to 12 minutes. Remove from the oven and keep in fridge to cool down for 20 minutes; add the chocolate mousse and keep in freezer for 3 hours. Remove from freezer, spread evenly the ganache on top, cut and serve cold.