When working with leaf gelatine it is essential to soak the leaves first in ice-cold water.
Add each leaf or sheet to the water individually, then leave to soak for about 5 minutes until it is soft. It is important that you add the leaves separately to prevent them from sticking to each other as this can result in not all of the leaf softening. (1)
Squeeze off the excess water and add as directed within the recipe. (2)