This lemon raspberry mousse cake is a refreshing and tangy dessert that is perfect for summer. The cake is made with a lemon sponge cake, layered with a creamy raspberry mousse, and topped with fresh raspberries. The raspberry mousse is made with fresh raspberries, whipped cream, and gelatin, giving it a light and airy texture. The cake is then chilled until set, making it a delicious and refreshing dessert that is perfect for hot summer days.