In a pan, add jaggery and water, and cook till jaggery melts. Add cardamom powder and coconut, and switch off
Add rice flour and salt to jaggery and mix well without lumps. Let it come to room temperature
Knead them into a pilable dough
Grease the parchment paper with ghee and make small balls of batter and place it in the greased tray
Bake them for 12 - 18 minutes turning sides in between. Grease in between if you feel its dry. As they cook they expand and attain the Appam shape. Appam becomes crispy over time so remove from the oven before that stage