Passion fruit chocolate coconut roulade

Name: Passion fruit, chocolate & coconut roulade
Ingredients: oil or butter, for greasing; 150g gluten-free dark chocolate, chopped into small pieces; 6 large eggs, separated; 170g golden caster sugar; 25g cocoa powder; 25g ground almonds; 250g tub mascarpone; 400ml double cream; 50ml Malibu (optional); 85g icing sugar; 125g passion fruit curd; 3 ripe passion fruits, flesh scooped out; 75g coconut flakes, toasted; edible gold glitter (optional)