Name: White Chocolate and Raspberry Tiramisu
Prep time: 20 min
Yield: 4
Ingredients: 4 tsp instant coffee; 250ml boiling water; 75g icing sugar; 24 sponge finger biscuits or 125g; 250g reduced fat mascarpone cheese; 200g fromage frais; 3 tbsp kirsch or white rum, optional; 225g fresh raspberries; 50g white chocolate, finely chopped