Preheat the oven to 190C/375F.
Roast the hazelnuts on an oven tray for 10 minutes or until fragrant. Allow to cool slightly, then peel and pulse in a blender or roughly chop into small pieces with a knife.
Break the chocolate into small pieces and place it in a mixing bowl with the liquid glucose over a saucepan of simmering water. Allow it to melt together, then stir in the brandy and chopped roasted nuts.
Whip the cream until it is thick and gloopy but not stiff, then fold it into the chocolate mixture, half at a time.
Spoon the mixture into the molds, level off the top, and cover with parchment paper/baking paper. Place a flat tray on top, then flip the molds over so they are dome-side up. Refrigerate for 3 hours or until set.
Peel off the parchment paper, and spread a small amount of melted dark chocolate over the flat side of one set of truffle bombs, and then sandwich the other molds on top to form the chocolate bombs.
Refrigerate for a further 30 minutes, then gently turn out and serve with whipped cream, fresh mint and some raspberries.