1. Whisk the vanilla, sugar, and eggs
2. Add the lime zest
3. Sift the flour over the mixture and mix everything together
4. Pour this mixture onto your baking sheet lined with parchment paper
5. Bake for 10 minutes at 180°C (350°F)
6. Beat the coconut cream and mascarpone together, adding sugar to obtain a thick whipped cream.
7. Chill until ready to assemble the log
8. Peel the mango with a peeler, and cut the flesh into small cubes, cook them for 10 minutes with sugar, lime zest, and freshly squeezed lime juice. Let it cool
9. After removing the sponge cake from the oven, let it cool in the fridge on a rack covered with a damp cloth to keep it soft
10. To assemble the log: lightly brush the log with a simple syrup (sugar, water)
11. Spread a thin layer of cream over the entire sponge cake (save some for decoration), then place the cooled mango on top, roll the log, and decorate it!