This elegant, floral sponge cake is infused with a zesty lemon syrup and topped with a light, fragrant elderflower buttercream. It is the perfect sophisticated dessert for garden parties and spring celebrations.
Store in an airtight container at room temperature for up to 3 days. For a more intense flavor, garnish with edible pansies or candied lemon peel. The sparkling water in the frosting adds a unique, light texture.