Pistachio and lemon individual tiramisu

Name: Pistachio and lemon individual tiramisu
Prep time: 20 min
Cook time: 6 h 30 min
Total time: 6 h 30 min
Yield: 6 portions
Ingredients: 1 ½ lemons; 60 g Limoncello; 30 g icing sugar; 1 egg; 200 g shelled unsalted pistachio nuts; 80 g icing sugar; 2 pinches sea salt; 20 g Limoncello; 1 tsp natural vanilla extract; 2 eggs; 20 g white chocolate; 20 g shelled unsalted pistachio nuts; 40 g icing sugar; 250 g mascarpone cheese; 150 g thickened cream; 20 g Limoncello; instant coffee