Onde-onde Cake

Name: Onde-onde Cake
Prep time: 20 min
Cook time: 1 h 45 min
Total time: 1 h 45 min
Yield: 12 slices
Ingredients: 6 eggs; 150 g caster sugar; ½ tsp cream of tartar; 50 g pandan juice; 60 g sunflower oil; 180 g cake flour; 1 ½ tsp baking powder; 2 pinch salt; 500 g mascarpone; 400 g whipping cream; 50 g icing sugar; 1 pinch salt; 1 tsp vanilla bean extract; 80 g palm sugar; 50 g water; 150 g grated coconut; 1 pinch salt; 1 tbsp cornflour (starch); 50 g desiccated coconut