Core Points - The article provides a detailed recipe for making a pistachio chocolate mousse, including ingredients and step-by-step instructions for preparation and decoration [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][18]. Ingredients Summary - The main ingredients for the chocolate mousse include: - Milk: 300ml - Gelatin sheets: 12g - 40% dark chocolate: 250g - 66% dark chocolate: 60g - 35% whipped cream: 375ml - For the pistachio mousse: - Milk: 250ml - Egg yolk: 50g - Granulated sugar: 35g - Gelatin sheets: 8g - Pistachio paste: 140g - Whipped cream: 160ml - For the chocolate cake layer: - Egg yolk: 400g - Egg white: 600g - Granulated sugar: 550g - Cocoa powder: 175g [2][9][13]. Preparation Steps Summary - The preparation involves several steps: 1. Soak gelatin sheets in cold water [2]. 2. Heat milk and dissolve gelatin, then mix with chocolate [4][5]. 3. Combine the chocolate mixture with whipped cream [6]. 4. Prepare the pistachio mousse by heating milk and sugar, mixing with egg yolk, and incorporating gelatin and pistachio paste [10][11][12]. 5. Create the chocolate cake layer by whipping egg whites and sugar, then folding in egg yolks and cocoa powder [13][14][15][16]. 6. Assemble the layers in molds and freeze [7][8]. Decoration Summary - The decoration involves using white chocolate and cocoa butter to create a green spray for the mousse [7][8].