Whisk together egg, jaggery powder, sugar, salt and virgin olive oil until emulsified.
Sift the all-purpose flour, cinnamon powder and baking soda into the mixture and fold well.
Add in the remaining ingredients and fold evenly.
Preheat an oven to 190 degrees centigrade. Prepare a baking tin by lining it with a baking sheet.
Pour in the batter and start baking for 15 minutes.
After 15 minutes, garnish with rough sugar and score the cake deep in the middle.
Continue to bake for another 50 minutes
Remove from the oven and move the cake to a cooking rack.
Serve the cake with a little bit of whipped cream.
