1. Allow the sponge you want to flavor and soften cool completely before you prepare the topping.
2. In a Pyrex glass or stainless steel mixing bowl, combine the lemon juice and granulated sugar.
3. Using a spoon, mix and immediately spoon the mixture evenly over the sponge before the sugar dissolves in the lemon juice.
4. You can use this topping to glaze your tea cakes. The granulated sugar gives a crunch with the lemon juices helps to moisten and flavor the cake.